2014 Navistar N13 Engine With Scr Diagnostic Manual Download
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2014 Navistar N13 Engine With Scr Diagnostic Manual Download
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2014 Navistar N13 Engine With Scr Diagnostic Manual Download
Navistar, Inc. is committed to continuous research and development to improve products and introduce technological advances. Procedures, specifications, and parts defined in published technical service literature may be altered. Photo illustrations identify specific parts or assemblies that support text and procedures; other areas in a photo illustration may not be exact. This manual includes necessary information and specifications for technicians to maintain Navistar® diesel engines. See vehicle manuals and Technical Service Information (TSI) bulletins for additional information. Technical Service Literature Navistar® N13 with SCR Engine Operation and Maintenance Manual Navistar® N13 with SCR Engine Service Manual Navistar® N13 with SCR Engine and Aftertreatment Wiring Schematic Form Technical Service Literature is revised periodically. If a technical publication is ordered, the latest revision will be supplied.
TABLE OF CONTENTS:
2014 Navistar N13 Engine With Scr Diagnostic Manual Download
toc................................................................................................................................................................................................................................................................................ 3 Table of Contents.............................................................................................................................................................................................................................................................. 3 Safety Terminology............................................................................................................................................................................................................................................................. 7 Safety Instructions............................................................................................................................................................................................................................................................ 7 Work Area...................................................................................................................................................................................................................................................................... 7 Safety Equipment............................................................................................................................................................................................................................................................... 7 Protective Measures............................................................................................................................................................................................................................................................ 7 Vehicle........................................................................................................................................................................................................................................................................ 7 Engine......................................................................................................................................................................................................................................................................... 8 Fire Prevention................................................................................................................................................................................................................................................................ 8 Batteries...................................................................................................................................................................................................................................................................... 8 Compressed Air................................................................................................................................................................................................................................................................. 8 Tools.......................................................................................................................................................................................................................................................................... 8 Fluids Under Pressure.......................................................................................................................................................................................................................................................... 9 Fuel........................................................................................................................................................................................................................................................................... 9 Removal of Tools, Parts, and Equipment......................................................................................................................................................................................................................................... 9 Table of Contents.......................................................................................................................................................................................................................................................... 11 SCR Component Locator.................................................................................................................................................................................................................................................. 13 SCR Switchback Assembly................................................................................................................................................................................................................................................ 13 DPF Components......................................................................................................................................................................................................................................................... 14 SCR Components......................................................................................................................................................................................................................................................... 15 Table of Contents.......................................................................................................................................................................................................................................................... 17 Engine Identification.................................................................................................................................................................................................................................................. 21 Engine Serial Number............................................................................................................................................................................................................................................... 21 Engine Serial Number Examples...................................................................................................................................................................................................................................... 21 Engine Serial Number Codes......................................................................................................................................................................................................................................... 21 Engine Emission Label ............................................................................................................................................................................................................................................. 22 Engine Accessory Labels and Identification Plates.................................................................................................................................................................................................................. 23 Engine Specifications.............................................................................................................................................................................................................................................. 23 Heavy Duty On Board Diagnostics (HD-OBD)....................................................................................................................................................................................................................... 25 Engine Description............................................................................................................................................................................................................................................. 25 Optional Equipment............................................................................................................................................................................................................................................. 26 Chassis Mounted Equipment...................................................................................................................................................................................................................................... 26 Air Management System.................................................................................................................................................................................................................................................. 28 Airflow ........................................................................................................................................................................................................................................................... 29 Turbochargers...................................................................................................................................................................................................................................................... 30 Air Control Valve (ACV)............................................................................................................................................................................................................................................ 31 Boost Control...................................................................................................................................................................................................................................................... 32 Low Pressure Charge Air Cooler (LPCAC)............................................................................................................................................................................................................................. 32 High Pressure Charge Air Cooler (HPCAC)............................................................................................................................................................................................................................ 32 Intake Manifold Pressure (IMP) Sensor ............................................................................................................................................................................................................................. 32 Intake Manifold Temperature (IMT) Sensor .......................................................................................................................................................................................................................... 32 Turbocharger 2 Compressor Inlet Sensor (TC2IS) .................................................................................................................................................................................................................... 33 Exhaust Gas Recirculation (EGR) System............................................................................................................................................................................................................................. 34 EGR System Overview................................................................................................................................................................................................................................................ 35 EGR Flow........................................................................................................................................................................................................................................................... 35 EGR System Control................................................................................................................................................................................................................................................. 35 EGRV Control....................................................................................................................................................................................................................................................... 36 EGR – Open Loop.................................................................................................................................................................................................................................................... 37 EGR – Closed Loop ................................................................................................................................................................................................................................................. 37 EGR Flow Cooling................................................................................................................................................................................................................................................... 37 Aftertreatment (AFT) System........................................................................................................................................................................................................................................ 38 Decomposition Reactor Tube..................................................................................................................................................................................................................................... 40 Diesel Particulate Filter (DPF)................................................................................................................................................................................................................................ 40 Diesel Oxidation Catalyst (DOC)................................................................................................................................................................................................................................ 40 Selective Catalyst Reduction (SCR) Catalyst.................................................................................................................................................................................................................... 40 Aftertreatment (AFT) System Conditions and Responses........................................................................................................................................................................................................... 40 Diesel Exhaust Fluid (DEF) Injection........................................................................................................................................................................................................................... 41 Aftertreatment Fuel Injection.................................................................................................................................................................................................................................. 42 AFT Fuel Doser Module Injection................................................................................................................................................................................................................................ 43 Aftertreatment Fuel Injector (AFTFI)........................................................................................................................................................................................................................... 43 Crankcase Oil Separator............................................................................................................................................................................................................................................ 44 Fuel Management System................................................................................................................................................................................................................................................. 46 Fuel System Components............................................................................................................................................................................................................................................. 46 Fuel Flow.......................................................................................................................................................................................................................................................... 47 Low Pressure Fuel System........................................................................................................................................................................................................................................... 48 Chassis Mounted Filter/Water Separator............................................................................................................................................................................................................................. 49 Fuel Primer Pump Assembly.......................................................................................................................................................................................................................................... 49 Low Pressure (LP) Fuel Pump........................................................................................................................................................................................................................................ 49 Fuel Filter Assembly............................................................................................................................................................................................................................................... 49 High Pressure Fuel System.......................................................................................................................................................................................................................................... 50 High Pressure (HP) Pump............................................................................................................................................................................................................................................ 51 Fuel Pressure Control Valve (FPCV)................................................................................................................................................................................................................................. 51 Fuel Rail.......................................................................................................................................................................................................................................................... 51 Fuel Rail Pressure (FRP) Sensor.................................................................................................................................................................................................................................... 51 Rail Pressure Limiting Valve....................................................................................................................................................................................................................................... 51 Fuel Injectors..................................................................................................................................................................................................................................................... 51 Inlet Air Heater System................................................................................................................................................................................................................................................ 52 Inlet Air Heater System Components................................................................................................................................................................................................................................. 52 Inlet Air Heater Fuel Igniter (IAHFI).............................................................................................................................................................................................................................. 52 Inlet Air Heater Relay (IAHR)...................................................................................................................................................................................................................................... 53 Inlet Air Heater Fuel Solenoid (IAHFS) Valve....................................................................................................................................................................................................................... 53 Inlet Air Heater System Operation.................................................................................................................................................................................................................................. 53 Oil Flow System........................................................................................................................................................................................................................................................ 55 Oil Flow and Components............................................................................................................................................................................................................................................ 55 Crankcase Oil Separator............................................................................................................................................................................................................................................ 57 Remote Mounted Centrifugal Oil Filter (Optional)................................................................................................................................................................................................................... 57 Engine Cooling System.................................................................................................................................................................................................................................................. 59 Cooling System Flow................................................................................................................................................................................................................................................ 59 Thermostat Operation............................................................................................................................................................................................................................................... 61 Coolant Control Valve (CCV) assembly operation..................................................................................................................................................................................................................... 61 Coolant Flow Valve (CFV)........................................................................................................................................................................................................................................... 61 Coolant Mixer Valve (CMV).......................................................................................................................................................................................................................................... 61 Engine Brake System.................................................................................................................................................................................................................................................... 62 Engine Brake Control System Components............................................................................................................................................................................................................................. 62 Engine Brake System Description.................................................................................................................................................................................................................................... 63 Engine Brake System Operation...................................................................................................................................................................................................................................... 63 Electronic Control System.............................................................................................................................................................................................................................................. 64 Electronic Control System Components............................................................................................................................................................................................................................... 64 Operation and Function......................................................................................................................................................................................................................................... 64 Reference Voltage (VREF)....................................................................................................................................................................................................................................... 64 Signal Conditioner............................................................................................................................................................................................................................................. 64 Microprocessor................................................................................................................................................................................................................................................. 64 Diagnostic Trouble Codes....................................................................................................................................................................................................................................... 64 Microprocessor Memory.......................................................................................................................................................................................................................................... 64 Read Only Memory (ROM)......................................................................................................................................................................................................................................... 65 Random Access Memory (RAM)..................................................................................................................................................................................................................................... 65 Actuator Control............................................................................................................................................................................................................................................... 66 Actuators.......................................................................................................................................................................................................................................................... 66 Coolant Control Valve (CCV).................................................................................................................................................................................................................................... 67 Exhaust Back Pressure Valve (EBPV) Control..................................................................................................................................................................................................................... 67 Exhaust Gas Recirculation (EGR) Valve ......................................................................................................................................................................................................................... 67 Air Control Valve (ACV)........................................................................................................................................................................................................................................ 67 Inlet Air Heater Relay (IAHR).................................................................................................................................................................................................................................. 67 Inlet Air Heater Fuel Solenoid (IAHFS) Valve................................................................................................................................................................................................................... 67 Engine Throttle Valve (ETV).................................................................................................................................................................................................................................... 68 Fuel Pressure Control Valve (FPCV)............................................................................................................................................................................................................................. 68 Aftertreatment Fuel Shutoff Valve (AFTFSV)..................................................................................................................................................................................................................... 68 Aftertreatment Purge Air Valve (AFTPAV)........................................................................................................................................................................................................................ 68 Diesel Exhaust Fluid Dosing Unit Heater (DEFDUH)............................................................................................................................................................................................................... 68 Diesel Exhaust Fluid Doser Valve (DEFDV)....................................................................................................................................................................................................................... 68 Diesel Exhaust Fluid Line Heater Relay (DEFLHR)................................................................................................................................................................................................................ 68 Diesel Exhaust Fluid Pressure Line Heater (DEFPLH)............................................................................................................................................................................................................. 69 Diesel Exhaust Fluid Return Line Heater (DEFRLH)............................................................................................................................................................................................................... 69 Diesel Exhaust Fluid Return Valve (DEFRV)...................................................................................................................................................................................................................... 69 Diesel Exhaust Fluid Suction Line Heater (DEFSLH).............................................................................................................................................................................................................. 69 Diesel Exhaust Fluid Supply Pump (DEFSP) and Temperature Sensor................................................................................................................................................................................................ 69 Diesel Exhaust Fluid Tank Heater Valve (DEFTHC)................................................................................................................................................................................................................ 69 Diesel Exhaust Fluid Unit Heater Relay (DEFUHR)................................................................................................................................................................................................................ 69 Engine and Vehicle Sensors......................................................................................................................................................................................................................................... 70 Thermistor Sensors............................................................................................................................................................................................................................................. 70 Aftertreatment Temperature Sensors............................................................................................................................................................................................................................. 70 Diesel Exhaust Fluid Tank Level and Temperature (DEFTLT) Sensor Module......................................................................................................................................................................................... 71 Diesel Oxidation Catalyst (DOC) / Diesel Particulate Filter (DPF) Temperature Sensor Module.................................................................................................................................................................... 71 Selective Catalyst Reduction (SCR) Temperature Sensor Module................................................................................................................................................................................................... 71 Engine Coolant Temperature (ECT) Sensors....................................................................................................................................................................................................................... 71 Engine Oil Temperature (EOT) Sensor............................................................................................................................................................................................................................ 71 Turbocharger 2 Compressor Inlet Sensor (TC2CIS)................................................................................................................................................................................................................ 71 Charge Air Cooler Outlet Temp (CACOT) Sensor................................................................................................................................................................................................................... 72 Intake Manifold Temperature (IMT) Sensor....................................................................................................................................................................................................................... 72 Exhaust Gas Recirculation Temperature (EGRT) Sensor............................................................................................................................................................................................................ 72 Ambient Air Temperature (AAT) Sensor........................................................................................................................................................................................................................... 72 Variable Capacitance Sensors................................................................................................................................................................................................................................... 72 Aftertreatment Fuel Pressure 1 (AFTFP1) Sensor................................................................................................................................................................................................................. 73 Diesel Exhaust Fluid Line Pressure (DEFLP) Sensor.............................................................................................................................................................................................................. 73 Diesel Particulate Filter Differential Pressure (DPFDP ) / Outlet Pressure Sensor.............................................................................................................................................................................. 73 Fuel Delivery Pressure (FDP) Sensor............................................................................................................................................................................................................................ 73 Engine Oil Pressure (EOP) Sensor............................................................................................................................................................................................................................... 73 Fuel Rail Pressure (FRP) Sensor................................................................................................................................................................................................................................ 74 Intake Manifold Pressure (IMP) Sensor.......................................................................................................................................................................................................................... 74 Turbocharger 1 Turbine Outlet Pressure (TC1TOP)................................................................................................................................................................................................................ 74 Magnetic Pickup Sensors........................................................................................................................................................................................................................................ 75 Crankshaft Position (CKP) Sensor............................................................................................................................................................................................................................... 75 Camshaft Position (CMP) Sensor................................................................................................................................................................................................................................. 75 Vehicle Speed Sensor (VSS)..................................................................................................................................................................................................................................... 76 Crankcase Oil Separator Speed (CCOSS) sensor................................................................................................................................................................................................................... 76 Potentiometer Sensors.......................................................................................................................................................................................................................................... 76 Accelerator Pedal Position (APP)............................................................................................................................................................................................................................... 77 Switches....................................................................................................................................................................................................................................................... 77 Driveline Disengagement Switch (DDS)........................................................................................................................................................................................................................... 77 Engine Coolant Level (ECL) Switch.............................................................................................................................................................................................................................. 77 Oil Level Sensor (OLS)......................................................................................................................................................................................................................................... 78 Additional Sensors................................................................................................................................................................................................................................................. 78 Ammonia (NH3) Sensor Module.................................................................................................................................................................................................................................... 78 Humidity Sensor (HS)........................................................................................................................................................................................................................................... 78 Nitrogen Oxides (NOx) IN Sensor Module......................................................................................................................................................................................................................... 78 Nitrogen Oxides (NOx) OUT Sensor Module........................................................................................................................................................................................................................ 78 Oxygen Sensor (O2S)............................................................................................................................................................................................................................................ 78 Table of Contents.......................................................................................................................................................................................................................................................... 79 Standard Electronic Control Features................................................................................................................................................................................................................................... 81 Aftertreatment (AFT) System........................................................................................................................................................................................................................................ 81 Cold Ambient Protection (CAP)...................................................................................................................................................................................................................................... 81 Coolant Temperature Compensation (CTC)............................................................................................................................................................................................................................. 81 Data Plate......................................................................................................................................................................................................................................................... 81 Electronic Speedometer and Tachometer.............................................................................................................................................................................................................................. 82 Engine Crank Inhibit (ECI)......................................................................................................................................................................................................................................... 82 Engine Electronic Governor Control................................................................................................................................................................................................................................. 82 Engine Fan Control (EFC)........................................................................................................................................................................................................................................... 82 Event Logging System .............................................................................................................................................................................................................................................. 82 Fast Idle Advance.................................................................................................................................................................................................................................................. 82 Inlet Air Heater Assist............................................................................................................................................................................................................................................ 83 IST (Idle Shutdown Timer) System (Clean Low Idle).................................................................................................................................................................................................................. 83 IST (Clean Low Idle)........................................................................................................................................................................................................................................... 83 IST (Idle Shutdown Timer) System (Federal - Optional).............................................................................................................................................................................................................. 84 IST (Federal - Optional) Sensor Circuit Operation.............................................................................................................................................................................................................. 84 J1939 Datalink .................................................................................................................................................................................................................................................... 84 Password Protection................................................................................................................................................................................................................................................ 85 Service Diagnostics................................................................................................................................................................................................................................................ 85 Trip Reporting..................................................................................................................................................................................................................................................... 85 Vehicle Setup...................................................................................................................................................................................................................................................... 85 Optional Electronic Control Features................................................................................................................................................................................................................................... 86 Cruise Control..................................................................................................................................................................................................................................................... 86 Driver Reward...................................................................................................................................................................................................................................................... 86 Navistar® Engine Brake............................................................................................................................................................................................................................................ 86 Engine Warning Protection System (EWPS)............................................................................................................................................................................................................................ 86 Gear Down Protection (GDP)......................................................................................................................................................................................................................................... 87 Idle Shutdown Timer (IST).......................................................................................................................................................................................................................................... 87 Progressive Shift.................................................................................................................................................................................................................................................. 87 Power Take Off (PTO) - In Cab...................................................................................................................................................................................................................................... 87 Power Take Off (PTO) - Remote...................................................................................................................................................................................................................................... 87 Service Interval................................................................................................................................................................................................................................................... 89 Traction Control................................................................................................................................................................................................................................................... 89 Up-Shift Indicator................................................................................................................................................................................................................................................. 89 Road Speed Limiter................................................................................................................................................................................................................................................. 89 Table of Contents.......................................................................................................................................................................................................................................................... 91 Session Files.......................................................................................................................................................................................................................................................... 93 Diagnostic Trouble Code (DTC).......................................................................................................................................................................................................................................... 93 Suspect Parameter Number (SPN) .................................................................................................................................................................................................................................... 93 Failure Mode Indicator (FMI)....................................................................................................................................................................................................................................... 93 Pending............................................................................................................................................................................................................................................................ 93 Active............................................................................................................................................................................................................................................................. 94 Previously Active.................................................................................................................................................................................................................................................. 94 Freeze Frame Data.................................................................................................................................................................................................................................................. 94 ECM Programmable Features ............................................................................................................................................................................................................................................. 94 Connecting EST with ServiceMaxx™ Software to Engine.................................................................................................................................................................................................................... 94 Tests.................................................................................................................................................................................................................................................................. 94 KOEO Tests......................................................................................................................................................................................................................................................... 94 Actuator Test.................................................................................................................................................................................................................................................. 94 Continuous Monitor (Wiggle) Test............................................................................................................................................................................................................................... 95 Relative Compression Test...................................................................................................................................................................................................................................... 95 Inlet Air Heater Test.......................................................................................................................................................................................................................................... 95 KOER Tests......................................................................................................................................................................................................................................................... 95 Air Management Test............................................................................................................................................................................................................................................ 96 High Pressure Pump Test........................................................................................................................................................................................................................................ 97 Engine Fan Test................................................................................................................................................................................................................................................ 97 Cylinder Cutout Test........................................................................................................................................................................................................................................... 98 Multi-Cylinder Cutout Test..................................................................................................................................................................................................................................... 99 Hot Run Sensor Comparison Test................................................................................................................................................................................................................................. 100 Purpose........................................................................................................................................................................................................................................................ 100 Tools Required................................................................................................................................................................................................................................................. 100 Coolant Control Valve Test..................................................................................................................................................................................................................................... 102 KOEO Aftertreatment Tests.......................................................................................................................................................................................................................................... 102 DEF Doser Pump Override Test Initial Checks.................................................................................................................................................................................................................... 102 Tools Required................................................................................................................................................................................................................................................. 102 DEFDV Removal and Preparatory Steps............................................................................................................................................................................................................................ 103 DEF Doser Pump Override Test................................................................................................................................................................................................................................... 109 DEFDV Installation and Finishing Steps......................................................................................................................................................................................................................... 110 DEF Supply Module Flush........................................................................................................................................................................................................................................ 111 KOER Aftertreatment Tests.......................................................................................................................................................................................................................................... 115 AFT Fuel Dosing Test........................................................................................................................................................................................................................................... 115 Tools Required................................................................................................................................................................................................................................................. 115 Preparatory Steps.............................................................................................................................................................................................................................................. 115 AFT Dosing System Test......................................................................................................................................................................................................................................... 122 AFT Fuel Injector Leak Test.................................................................................................................................................................................................................................... 124 AFT Fuel Shutoff Valve Leak Test............................................................................................................................................................................................................................... 125 AFTFI Installation and Finishing Steps......................................................................................................................................................................................................................... 125 Procedures............................................................................................................................................................................................................................................................. 127 KOEO Procedures.................................................................................................................................................................................................................................................... 127 Oxygen (O2) Sensor Calibration................................................................................................................................................................................................................................. 127 Injector Quantity Adjustment................................................................................................................................................................................................................................... 127 KOER Aftertreatment Procedures..................................................................................................................................................................................................................................... 128 DPF Regeneration............................................................................................................................................................................................................................................... 128 Table of Contents.......................................................................................................................................................................................................................................................... 129 Low Power No MIL....................................................................................................................................................................................................................................................... 131 Low Power No MIL................................................................................................................................................................................................................................................... 131 Description.................................................................................................................................................................................................................................................... 131 Symptoms....................................................................................................................................................................................................................................................... 131 Overview....................................................................................................................................................................................................................................................... 131 Graph 1: Plugged LTR........................................................................................................................................................................................................................................... 134 Graph 2: Good LTR.............................................................................................................................................................................................................................................. 135 Graph 3: Lug Down Test (Engine Speed, FRP and FRPD............................................................................................................................................................................................................. 136 Graph Analysis................................................................................................................................................................................................................................................. 136 Graph 4: Lug Down Test (Engine Speed and TC1TOP)............................................................................................................................................................................................................... 137 Graph Analysis................................................................................................................................................................................................................................................. 137 Actions:....................................................................................................................................................................................................................................................... 137 Graph 5: Lug Down Test (Engine Speed, APP1, Vehicle Speed and IMP)............................................................................................................................................................................................. 138 Graph Analysis................................................................................................................................................................................................................................................. 138 Signal(s) to Watch............................................................................................................................................................................................................................................. 138 Coolant System......................................................................................................................................................................................................................................................... 139 Coolant Loss....................................................................................................................................................................................................................................................... 139 Symptom............................................................................................................................................................................................................................................................ 139 Tools.............................................................................................................................................................................................................................................................. 139 Government Regulation: Engine fluids (oil, fuel, and coolant) may be a hazard to human health and the environment. Handle all fluids and other contaminated materials (e.g., filters rags) in accordance with applicable regulations. Recycle or dispose of eng.... 139 Diagnostic Procedure............................................................................................................................................................................................................................................... 140 Coolant Overflow................................................................................................................................................................................................................................................... 142 Overview........................................................................................................................................................................................................................................................... 142 Possible Causes.................................................................................................................................................................................................................................................... 142 Tools.............................................................................................................................................................................................................................................................. 143 Diagnostic Procedure............................................................................................................................................................................................................................................... 143 Coolant Leak to Exhaust............................................................................................................................................................................................................................................ 147 Overview........................................................................................................................................................................................................................................................... 147 Symptoms........................................................................................................................................................................................................................................................... 147 Possible Causes.................................................................................................................................................................................................................................................... 147 Tools.............................................................................................................................................................................................................................................................. 147 Diagnostic Procedure........................................................................................................................................................................................................................................... 148 Coolant Leak to Intake............................................................................................................................................................................................................................................. 148 Overview........................................................................................................................................................................................................................................................... 148 Symptoms........................................................................................................................................................................................................................................................... 148 Possible Causes.................................................................................................................................................................................................................................................... 149 Tools.............................................................................................................................................................................................................................................................. 149 Diagnostic Procedure............................................................................................................................................................................................................................................... 149 Coolant Leak to Engine Oil......................................................................................................................................................................................................................................... 152 Symptom............................................................................................................................................................................................................................................................ 152 Possible Causes.................................................................................................................................................................................................................................................... 152 Tools.............................................................................................................................................................................................................................................................. 152 Diagnostic Procedure........................................................................................................................................................................................................................................... 152 Coolant Over-Temperature........................................................................................................................................................................................................................................... 154 Overview........................................................................................................................................................................................................................................................... 154 Symptom............................................................................................................................................................................................................................................................ 154 Possible Causes.................................................................................................................................................................................................................................................... 155 Tools.............................................................................................................................................................................................................................................................. 155 Diagnostic Procedure........................................................................................................................................................................................................................................... 156 Cooling System Components.......................................................................................................................................................................................................................................... 158 Cooling System Flow................................................................................................................................................................................................................................................ 159 Thermostat Operation............................................................................................................................................................................................................................................... 159 Coolant Control Valve (CCV) Assembly and Coolant Mixer Valve (CMV) Operation....................................................................................................................................................................................... 160 Coolant Control Valve (CCV) Test................................................................................................................................................................................................................................... 160 Lubrication System..................................................................................................................................................................................................................................................... 165 Visual Oil Level Inspection........................................................................................................................................................................................................................................ 165 Incorrect Maintenance ............................................................................................................................................................................................................................................. 165 Dilution from Coolant.............................................................................................................................................................................................................................................. 165 Power Steering Fluid Leak to Lube Oil.............................................................................................................................................................................................................................. 165 Symptom............................................................................................................................................................................................................................................................ 165 Possible Causes.................................................................................................................................................................................................................................................... 165 Procedure.......................................................................................................................................................................................................................................................... 165 Lube Oil to Coolant................................................................................................................................................................................................................................................ 166 Symptom............................................................................................................................................................................................................................................................ 166 Possible Causes.................................................................................................................................................................................................................................................... 166 Tools.............................................................................................................................................................................................................................................................. 166 Procedure.......................................................................................................................................................................................................................................................... 166 Lube Oil to Intake................................................................................................................................................................................................................................................. 166 Symptom............................................................................................................................................................................................................................................................ 166 Possible Causes.................................................................................................................................................................................................................................................... 166 Procedure.......................................................................................................................................................................................................................................................... 167 Lube Oil to Exhaust................................................................................................................................................................................................................................................ 167 Symptom............................................................................................................................................................................................................................................................ 167 Possible Causes.................................................................................................................................................................................................................................................... 167 Procedure.......................................................................................................................................................................................................................................................... 167 Low Oil Pressure................................................................................................................................................................................................................................................... 168 Symptom............................................................................................................................................................................................................................................................ 169 Possible Causes.................................................................................................................................................................................................................................................... 170 Tools.............................................................................................................................................................................................................................................................. 170 Procedure.......................................................................................................................................................................................................................................................... 170 Fuel System............................................................................................................................................................................................................................................................ 173 Excessive Fuel Consumption......................................................................................................................................................................................................................................... 173 Symptom............................................................................................................................................................................................................................................................ 173 Possible Causes.................................................................................................................................................................................................................................................... 173 Operator effects................................................................................................................................................................................................................................................... 173 Application effects................................................................................................................................................................................................................................................ 173 Chassis effects.................................................................................................................................................................................................................................................... 174 Engine effects..................................................................................................................................................................................................................................................... 174 Procedure.......................................................................................................................................................................................................................................................... 174 Fuel in Coolant.................................................................................................................................................................................................................................................... 175 Symptom............................................................................................................................................................................................................................................................ 175 Possible Causes.................................................................................................................................................................................................................................................... 175 Tools.............................................................................................................................................................................................................................................................. 175 Procedure.......................................................................................................................................................................................................................................................... 175 Fuel in Lube Oil................................................................................................................................................................................................................................................... 177 Symptom............................................................................................................................................................................................................................................................ 177 Possible Causes.................................................................................................................................................................................................................................................... 177 Tools.............................................................................................................................................................................................................................................................. 177 Procedure.......................................................................................................................................................................................................................................................... 177 Fuel to Intake..................................................................................................................................................................................................................................................... 178 Symptom............................................................................................................................................................................................................................................................ 178 Possible Causes.................................................................................................................................................................................................................................................... 178 Procedure.......................................................................................................................................................................................................................................................... 178 Fuel to Exhaust.................................................................................................................................................................................................................................................... 178 Symptom............................................................................................................................................................................................................................................................ 178 Possible Causes.................................................................................................................................................................................................................................................... 178 Tools.............................................................................................................................................................................................................................................................. 178 Procedure.......................................................................................................................................................................................................................................................... 178 Fuel Pressure and Aeration......................................................................................................................................................................................................................................... 179 Symptom............................................................................................................................................................................................................................................................ 179 Possible Cause..................................................................................................................................................................................................................................................... 179 Procedure.......................................................................................................................................................................................................................................................... 179 Water in Fuel...................................................................................................................................................................................................................................................... 179 Symptoms........................................................................................................................................................................................................................................................... 179 Possible Causes.................................................................................................................................................................................................................................................... 179 Tools.............................................................................................................................................................................................................................................................. 180 Procedure.......................................................................................................................................................................................................................................................... 180 Priming the Fuel System............................................................................................................................................................................................................................................ 181 Procedure.......................................................................................................................................................................................................................................................... 181 Engine Brake System.................................................................................................................................................................................................................................................... 183 Engine Brake Inspection............................................................................................................................................................................................................................................ 183 Symptom............................................................................................................................................................................................................................................................ 183 Possible Causes.................................................................................................................................................................................................................................................... 183 Tools.............................................................................................................................................................................................................................................................. 183 Preliminary Steps.................................................................................................................................................................................................................................................. 184 Engine Brake does not Turn on/Slow to Turn On...................................................................................................................................................................................................................... 184 Engine Brake does not Turn Off/Slow to Turn Off.................................................................................................................................................................................................................... 185 Engine Fails to Start.............................................................................................................................................................................................................................................. 185 Engine Brake Weak in Effect or Low on Engine Brake Power........................................................................................................................................................................................................... 185 Engine Brake Slow to Operate or Weak in Effect..................................................................................................................................................................................................................... 185 Oil Pressure Dropping Below Minimum Required for Engine Brake Operation............................................................................................................................................................................................ 187 One or More Cylinders Fail to Stop Braking or Engine Stalls........................................................................................................................................................................................................ 187 Engine Misses or Loses Power....................................................................................................................................................................................................................................... 187 Table of Contents.......................................................................................................................................................................................................................................................... 189 Required Test Procedures............................................................................................................................................................................................................................................... 191 1. Initial Key ON Check............................................................................................................................................................................................................................................ 191 Tools.............................................................................................................................................................................................................................................................. 191 2. Visual Inspection............................................................................................................................................................................................................................................... 191 Tools.............................................................................................................................................................................................................................................................. 192 Engine Oil..................................................................................................................................................................................................................................................... 193 Engine Coolant Level........................................................................................................................................................................................................................................... 193 Electrical System.............................................................................................................................................................................................................................................. 194 Intake Air..................................................................................................................................................................................................................................................... 195 Charge Air Cooler (CAC) System................................................................................................................................................................................................................................. 195 Exhaust System................................................................................................................................................................................................................................................. 195 Vehicle Air Tanks.............................................................................................................................................................................................................................................. 195 Fuel Level..................................................................................................................................................................................................................................................... 195 Primary Fuel Filter Inspection................................................................................................................................................................................................................................. 195 Fuel Quality Check............................................................................................................................................................................................................................................. 197 Tools.......................................................................................................................................................................................................................................................... 197 3. Electronic Service Tool (EST) Connection and Data Recording..................................................................................................................................................................................................... 199 Purpose............................................................................................................................................................................................................................................................ 199 Tools.............................................................................................................................................................................................................................................................. 199 Procedure.......................................................................................................................................................................................................................................................... 199 4. Check for Diagnostic Trouble Codes (DTCs)....................................................................................................................................................................................................................... 202 Purpose............................................................................................................................................................................................................................................................ 202 Tools.............................................................................................................................................................................................................................................................. 202 5. Engine Low Idle to High Idle.................................................................................................................................................................................................................................... 204 Tools.............................................................................................................................................................................................................................................................. 204 6. KOER Air Management Test........................................................................................................................................................................................................................................ 206 Purpose............................................................................................................................................................................................................................................................ 206 Tools.............................................................................................................................................................................................................................................................. 206 7. Road Test (Full load to highway speed).......................................................................................................................................................................................................................... 207 Purpose............................................................................................................................................................................................................................................................ 207 Tools.............................................................................................................................................................................................................................................................. 207 Test Procedures........................................................................................................................................................................................................................................................ 209 Fuel System........................................................................................................................................................................................................................................................ 209 Inlet Air Heater System............................................................................................................................................................................................................................................ 211 Inlet Air Heater System Test................................................................................................................................................................................................................................... 211 Purpose........................................................................................................................................................................................................................................................ 211 Tools.......................................................................................................................................................................................................................................................... 211 Procedure...................................................................................................................................................................................................................................................... 211 Inlet Air Heater Fuel Igniter (IAHFI) Test..................................................................................................................................................................................................................... 212 Purpose........................................................................................................................................................................................................................................................ 212 Tools.......................................................................................................................................................................................................................................................... 212 Procedure...................................................................................................................................................................................................................................................... 212 Fuel Supply at Inlet Air Heater Fuel Solenoid (IAHFS) Test..................................................................................................................................................................................................... 213 Purpose........................................................................................................................................................................................................................................................ 213 Tools.......................................................................................................................................................................................................................................................... 213 Procedure...................................................................................................................................................................................................................................................... 213 Fuel Supply at Inlet Air Heater Fuel Igniter (IAHFI) Test...................................................................................................................................................................................................... 215 Purpose........................................................................................................................................................................................................................................................ 215 Tools.......................................................................................................................................................................................................................................................... 215 Procedure...................................................................................................................................................................................................................................................... 215 Air Control Valve (ACV) Tests...................................................................................................................................................................................................................................... 216 Purpose............................................................................................................................................................................................................................................................ 216 Tools.............................................................................................................................................................................................................................................................. 216 Exhaust Back Pressure Valve (EBPV) ............................................................................................................................................................................................................................ 217 Turbocharger 2 Wastegate Control (TC2WC)....................................................................................................................................................................................................................... 219 Fuel System........................................................................................................................................................................................................................................................ 220 Low-pressure Fuel System........................................................................................................................................................................................................................................... 221 Fuel Delivery Pressure (FDP) Test.............................................................................................................................................................................................................................. 222 Purpose........................................................................................................................................................................................................................................................ 222 Tools.......................................................................................................................................................................................................................................................... 222 Procedure...................................................................................................................................................................................................................................................... 222 Fuel Aeration and Restriction Tests............................................................................................................................................................................................................................ 225 Aeration Test.................................................................................................................................................................................................................................................. 225 Purpose........................................................................................................................................................................................................................................................ 226 Tools.......................................................................................................................................................................................................................................................... 226 Aeration Test Point 1.......................................................................................................................................................................................................................................... 226 Procedure...................................................................................................................................................................................................................................................... 226 Aeration Test Point 2.......................................................................................................................................................................................................................................... 226 Restriction Test............................................................................................................................................................................................................................................... 227 Purpose........................................................................................................................................................................................................................................................ 228 Tools.......................................................................................................................................................................................................................................................... 228 Procedure...................................................................................................................................................................................................................................................... 228 Test Point 1................................................................................................................................................................................................................................................... 228 Test Point 2................................................................................................................................................................................................................................................... 228 Test Point 3................................................................................................................................................................................................................................................... 228 Fuel Dead Head Test............................................................................................................................................................................................................................................ 229 Purpose........................................................................................................................................................................................................................................................ 229 Tools.......................................................................................................................................................................................................................................................... 229 Procedure...................................................................................................................................................................................................................................................... 229 High-pressure Fuel System.......................................................................................................................................................................................................................................... 231 High-pressure Pump Inlet Pressure Test......................................................................................................................................................................................................................... 232 Purpose........................................................................................................................................................................................................................................................ 232 Tools.......................................................................................................................................................................................................................................................... 232 Procedure...................................................................................................................................................................................................................................................... 232 Fuel Rail Pressure (FRP) Return Flow Test...................................................................................................................................................................................................................... 233 Purpose........................................................................................................................................................................................................................................................ 233 Tools.......................................................................................................................................................................................................................................................... 233 Fuel Rail Pressure (FRP) Return Flow Test Part 1............................................................................................................................................................................................................... 233 Fuel Rail Pressure (FRP) Return Flow Test Part 2............................................................................................................................................................................................................... 233 Fuel Rail Pressure (FRP) Leak Isolation........................................................................................................................................................................................................................ 235 Purpose........................................................................................................................................................................................................................................................ 235 Tools.......................................................................................................................................................................................................................................................... 235 Procedure...................................................................................................................................................................................................................................................... 235 HP Pump Fuel Return Pressure Test.............................................................................................................................................................................................................................. 237 Purpose........................................................................................................................................................................................................................................................ 237 Tools.......................................................................................................................................................................................................................................................... 237 Procedure...................................................................................................................................................................................................................................................... 237 Crankcase Oil Breather Separator Test.............................................................................................................................................................................................................................. 239 Purpose............................................................................................................................................................................................................................................................ 239 Tools.............................................................................................................................................................................................................................................................. 239 Procedure.......................................................................................................................................................................................................................................................... 239 Crankcase Pressure Test............................................................................................................................................................................................................................................ 240 Purpose............................................................................................................................................................................................................................................................ 240 Tools.............................................................................................................................................................................................................................................................. 240 Procedure.......................................................................................................................................................................................................................................................... 240 Cylinder Performance Test – Step 1................................................................................................................................................................................................................................. 243 Relative Compression Test.......................................................................................................................................................................................................................................... 243 Purpose............................................................................................................................................................................................................................................................ 243 Tools.............................................................................................................................................................................................................................................................. 243 Procedure.......................................................................................................................................................................................................................................................... 243 Possible Causes.................................................................................................................................................................................................................................................... 244 Cylinder Performance Test – Step 2................................................................................................................................................................................................................................. 245 Cylinder Cutout Test............................................................................................................................................................................................................................................... 245 Purpose............................................................................................................................................................................................................................................................ 245 Tools.............................................................................................................................................................................................................................................................. 245 Possible Causes.................................................................................................................................................................................................................................................... 245 Procedure.......................................................................................................................................................................................................................................................... 245 Injector Replacement............................................................................................................................................................................................................................................... 247 Purpose............................................................................................................................................................................................................................................................ 247 Tools.............................................................................................................................................................................................................................................................. 247 Procedure.......................................................................................................................................................................................................................................................... 247 Fuel Pressure Control Valve (FPCV) Test............................................................................................................................................................................................................................ 248 Purpose............................................................................................................................................................................................................................................................ 248 Tools.............................................................................................................................................................................................................................................................. 248 Procedure.......................................................................................................................................................................................................................................................... 248 Charge Air Cooler (CAC) Pressure Test.............................................................................................................................................................................................................................. 249 Procedure.......................................................................................................................................................................................................................................................... 249 Table of Contents.......................................................................................................................................................................................................................................................... 251 Diagnostic Trouble Codes (DTCs) and Sub-section Diagnostics Page Locations............................................................................................................................................................................................. 253 Sensor and Actuator Locations.......................................................................................................................................................................................................................................... 268 Engine Mounted Components.............................................................................................................................................................................................................................................. 268 SCR Switchback Assembly................................................................................................................................................................................................................................................ 268 Vehicle Mounted Components............................................................................................................................................................................................................................................. 269 Ambient Air Temperature Sensor......................................................................................................................................................................................................................................... 269 Engine and Aftertreatment Wiring Schematic Form 000002203 Usage........................................................................................................................................................................................................ 270 Engine and Aftertreatment Wiring Schematic Form Example ............................................................................................................................................................................................................... 270 Circuit Diagnostics.................................................................................................................................................................................................................................................... 273 AAT Sensor (Ambient Air Temperature)............................................................................................................................................................................................................................... 273 Overview....................................................................................................................................................................................................................................................... 274 Tools Required................................................................................................................................................................................................................................................. 275 SPN 171 FMI 2 - AAT signal erratic, intermittent, or incorrect................................................................................................................................................................................................. 276 Fault Overview................................................................................................................................................................................................................................................. 276 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 276 Associated Faults.............................................................................................................................................................................................................................................. 276 Fault Facts.................................................................................................................................................................................................................................................... 276 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 276 Possible Causes................................................................................................................................................................................................................................................ 276 SPN 171 FMI 3- AAT Signal Out of Range HIGH.................................................................................................................................................................................................................... 279 Fault Overview................................................................................................................................................................................................................................................. 279 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 279 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 279 Possible Causes................................................................................................................................................................................................................................................ 279 SPN 171 FMI 4- AAT Signal Out of Range LOW..................................................................................................................................................................................................................... 282 Fault Overview................................................................................................................................................................................................................................................. 282 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 282 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 282 Possible Causes................................................................................................................................................................................................................................................ 282 ACM Power (Aftertreatment Control Module).......................................................................................................................................................................................................................... 284 Overview....................................................................................................................................................................................................................................................... 284 Tools Required................................................................................................................................................................................................................................................. 285 SPN 168 FMI 16 - ACM Battery voltage too HIGH.................................................................................................................................................................................................................. 286 Fault Overview................................................................................................................................................................................................................................................. 286 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 286 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 286 Possible Causes................................................................................................................................................................................................................................................ 286 SPN 168 FMI 18 - ACM Battery voltage too LOW................................................................................................................................................................................................................... 288 Fault Overview................................................................................................................................................................................................................................................. 288 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 288 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 288 Possible Causes................................................................................................................................................................................................................................................ 288 AFT (Aftertreatment) System........................................................................................................................................................................................................................................ 290 Overview....................................................................................................................................................................................................................................................... 296 Tools Required................................................................................................................................................................................................................................................. 296 SPN 1569 FMI 31 - SCR Tamper Proof Warning & Protection System Inducement Severe............................................................................................................................................................................... 297 Fault Overview................................................................................................................................................................................................................................................. 297 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 297 Associated Faults.............................................................................................................................................................................................................................................. 297 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 297 Possible Causes................................................................................................................................................................................................................................................ 297 SPN 3521 FMI 11- Improper Reductant in DEF Tank................................................................................................................................................................................................................ 298 Fault Overview................................................................................................................................................................................................................................................. 298 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 298 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 298 Possible Causes................................................................................................................................................................................................................................................ 298 SPN 3695 FMI 2- DPF Regen Inhibit Switch erratic, intermittent or incorrect.................................................................................................................................................................................... 299 Fault Overview................................................................................................................................................................................................................................................. 299 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 299 Associated Faults.............................................................................................................................................................................................................................................. 299 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 299 Possible Causes................................................................................................................................................................................................................................................ 299 SPN 3703 FMI 31 - DPF Active Regeneration Inhibited Due to Inhibit Switch...................................................................................................................................................................................... 300 Fault Overview................................................................................................................................................................................................................................................. 300 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 300 Associated Faults.............................................................................................................................................................................................................................................. 300 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 300 Fault Facts.................................................................................................................................................................................................................................................... 300 Possible Causes................................................................................................................................................................................................................................................ 300 SPN 3713 FMI 31 - DPF Active Regeneration Inhibited Due to System Timeout...................................................................................................................................................................................... 302 Fault Overview................................................................................................................................................................................................................................................. 302 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 302 Associated Faults.............................................................................................................................................................................................................................................. 302 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 302 Fault Fact..................................................................................................................................................................................................................................................... 302 Possible Causes................................................................................................................................................................................................................................................ 302 SPN 3750 FMI 31 - DPF Regen inhibited due to low exhaust temperatures.......................................................................................................................................................................................... 305 Fault Overview................................................................................................................................................................................................................................................. 305 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 305 Associated Faults.............................................................................................................................................................................................................................................. 305 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 305 Fault Facts.................................................................................................................................................................................................................................................... 305 Possible Causes................................................................................................................................................................................................................................................ 305 SPN 3826 FMI 18- DEF Adaption maxed out with low NOx conversion................................................................................................................................................................................................ 307 Fault Overview................................................................................................................................................................................................................................................. 308 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 308 Associated Faults.............................................................................................................................................................................................................................................. 308 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 308 Possible Causes................................................................................................................................................................................................................................................ 308 SPN 4094 FMI 31- Improper Reductant in (DEF) Tank.............................................................................................................................................................................................................. 310 Fault Overview................................................................................................................................................................................................................................................. 310 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 310 Associated Faults.............................................................................................................................................................................................................................................. 310 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 310 Possible Causes................................................................................................................................................................................................................................................ 310 SPN 4364 FMI 18- Low NOx Conversion Detected................................................................................................................................................................................................................... 314 Fault Overview................................................................................................................................................................................................................................................. 315 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 315 Associated Faults.............................................................................................................................................................................................................................................. 315 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 315 Possible Causes................................................................................................................................................................................................................................................ 315 SPN 4792 FMI 7- SCR Catalyst System- Mechanical system not responding or out of adjustment..................................................................................................................................................................... 319 Fault Overview................................................................................................................................................................................................................................................. 319 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 319 Associated Faults.............................................................................................................................................................................................................................................. 319 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 319 Fault Facts.................................................................................................................................................................................................................................................... 319 Possible Causes................................................................................................................................................................................................................................................ 319 SPN 4792 FMI 14 - SCR Catalyst System- Out of Calibration...................................................................................................................................................................................................... 321 Fault Overview................................................................................................................................................................................................................................................. 321 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 321 Associated Faults.............................................................................................................................................................................................................................................. 321 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 321 Possible Causes................................................................................................................................................................................................................................................ 321 SPN 4794 FMI 31- SCR Catalyst System Missing (Low NOx Conversion).............................................................................................................................................................................................. 322 Fault Overview................................................................................................................................................................................................................................................. 322 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 323 Associated Faults.............................................................................................................................................................................................................................................. 323 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 323 Possible Causes................................................................................................................................................................................................................................................ 323 SPN 4795 FMI 31- DPFDP excessively LOW (Sensor / Circuit Fault or Missing DPF)................................................................................................................................................................................. 325 Fault Overview................................................................................................................................................................................................................................................. 325 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 325 Associated Faults.............................................................................................................................................................................................................................................. 325 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 325 Possible Causes................................................................................................................................................................................................................................................ 325 SPN 4796 FMI 31- Diesel Oxidation Catalyst Missing............................................................................................................................................................................................................. 327 Fault Overview................................................................................................................................................................................................................................................. 327 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 327 Associated Faults.............................................................................................................................................................................................................................................. 327 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 327 Possible Causes................................................................................................................................................................................................................................................ 327 SPN 5246 FMI 15- SCR Tamperproof Inducement Level 1 status..................................................................................................................................................................................................... 329 Fault Overview................................................................................................................................................................................................................................................. 329 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 329 Associated Faults.............................................................................................................................................................................................................................................. 329 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 329 Possible Causes................................................................................................................................................................................................................................................ 329 SPN 5298 FMI 17- DOC Conversion Efficiency below minimum....................................................................................................................................................................................................... 330 Fault Overview................................................................................................................................................................................................................................................. 330 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 330 Associated Faults.............................................................................................................................................................................................................................................. 330 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 330 Fault Facts.................................................................................................................................................................................................................................................... 330 Possible Causes................................................................................................................................................................................................................................................ 330 SPN 5298 FMI 18- DOC Conversion Efficiency below Warning Temperature........................................................................................................................................................................................... 333 Fault Overview................................................................................................................................................................................................................................................. 333 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 333 Associated Faults.............................................................................................................................................................................................................................................. 333 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 333 Fault Facts.................................................................................................................................................................................................................................................... 333 Possible Causes................................................................................................................................................................................................................................................ 333 SPN 520668 FMI 31- Controller Adaptation Outer Limits Reached (Low Reductant Delivery)......................................................................................................................................................................... 336 Fault Overview................................................................................................................................................................................................................................................. 337 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 337 Associated Faults.............................................................................................................................................................................................................................................. 337 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 337 Possible Causes................................................................................................................................................................................................................................................ 337 SPN 520669 FMI 31- Controller Adaptation Inner Limits Reached (Low Reductant Delivery)......................................................................................................................................................................... 341 Fault Overview................................................................................................................................................................................................................................................. 342 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 342 Associated Faults.............................................................................................................................................................................................................................................. 342 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 342 Possible Causes................................................................................................................................................................................................................................................ 342 AFT System Overview............................................................................................................................................................................................................................................ 346 Regen Inhibitors............................................................................................................................................................................................................................................... 351 Normal DPF Inlet............................................................................................................................................................................................................................................... 355 Normal DPF Outlet.............................................................................................................................................................................................................................................. 356 Restricted DPF Inlet........................................................................................................................................................................................................................................... 357 DPF Contaminated with Coolant.................................................................................................................................................................................................................................. 358 DPF Contaminated with Oil...................................................................................................................................................................................................................................... 359 DPF Outlet Leaking Soot........................................................................................................................................................................................................................................ 360 External Damage to DPF......................................................................................................................................................................................................................................... 361 DPF Ceramic Filter Brick Measurement........................................................................................................................................................................................................................... 362 AFTFI (Aftertreatment Fuel Injector)............................................................................................................................................................................................................................... 363 Overview....................................................................................................................................................................................................................................................... 364 Tools Required................................................................................................................................................................................................................................................. 364 SPN 3556 FMI 2 - AFT Fuel Injector signal erratic, intermittent, or incorrect.................................................................................................................................................................................. 365 Fault Overview................................................................................................................................................................................................................................................. 365 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 365 Associated Faults.............................................................................................................................................................................................................................................. 365 Fault Facts.................................................................................................................................................................................................................................................... 365 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 365 Possible Causes................................................................................................................................................................................................................................................ 365 SPN 3556 FMI 5- AFT Fuel Injector open load / circuit.......................................................................................................................................................................................................... 368 Fault Overview................................................................................................................................................................................................................................................. 368 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 369 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 369 Possible Causes................................................................................................................................................................................................................................................ 369 SPN 3556 FMI 18 - AFT Fuel Pressure below Warning Pressure (AFTFI at high adaptation limit).................................................................................................................................................................... 383 Fault Overview................................................................................................................................................................................................................................................. 383 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 383 Associated Faults.............................................................................................................................................................................................................................................. 383 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 383 Possible Causes................................................................................................................................................................................................................................................ 383 AFTFP1 (Aftertreatment Fuel Pressure 1 Sensor)..................................................................................................................................................................................................................... 386 Overview....................................................................................................................................................................................................................................................... 387 Tools Required................................................................................................................................................................................................................................................. 387 SPN 3480 FMI 2 - AFTFP1 signal erratic, intermittent or incorrect.............................................................................................................................................................................................. 389 Fault Overview................................................................................................................................................................................................................................................. 389 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 390 Associated Faults.............................................................................................................................................................................................................................................. 390 Fault Facts.................................................................................................................................................................................................................................................... 390 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 390 Possible Causes................................................................................................................................................................................................................................................ 390 3480 FMI 3 - AFTFP1 Signal Out of Range HIGH................................................................................................................................................................................................................... 392 Fault Overview................................................................................................................................................................................................................................................. 392 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 392 Associated Faults.............................................................................................................................................................................................................................................. 392 Fault Facts.................................................................................................................................................................................................................................................... 392 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 392 Possible Causes................................................................................................................................................................................................................................................ 392 3480 FMI 4 - AFTFP1 Signal Out of Range LOW.................................................................................................................................................................................................................... 394 Fault Overview................................................................................................................................................................................................................................................. 394 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 394 Associated Faults.............................................................................................................................................................................................................................................. 394 Fault Facts.................................................................................................................................................................................................................................................... 394 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 394 Possible Causes................................................................................................................................................................................................................................................ 395 3480 FMI 17- AFTFP1 below normal operating range............................................................................................................................................................................................................... 397 Fault Overview................................................................................................................................................................................................................................................. 397 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 397 Fault Facts.................................................................................................................................................................................................................................................... 397 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 397 Possible Causes................................................................................................................................................................................................................................................ 398 AFTFSV (Aftertreatment Fuel Shutoff Valve)........................................................................................................................................................................................................................ 400 Overview....................................................................................................................................................................................................................................................... 402 Tools Required................................................................................................................................................................................................................................................. 402 3482 FMI 2 - AFT Fuel Shutoff Valve signal erratic, intermittent or incorrect.................................................................................................................................................................................. 403 Fault Overview................................................................................................................................................................................................................................................. 403 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 403 Associated Faults.............................................................................................................................................................................................................................................. 403 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 403 Possible Causes................................................................................................................................................................................................................................................ 403 3482 FMI 3 - AFT Fuel Shutoff Valve short to PWR (Open or High Resistance)..................................................................................................................................................................................... 406 Fault Overview................................................................................................................................................................................................................................................. 406 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 406 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 406 Possible Causes................................................................................................................................................................................................................................................ 407 3482 FMI 4- AFT Fuel Shutoff Valve short to GND................................................................................................................................................................................................................ 411 Fault Overview................................................................................................................................................................................................................................................. 411 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 411 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 411 Possible Causes................................................................................................................................................................................................................................................ 411 3482 FMI 7- AFT Fuel Shutoff Valve Mechanical system not responding or out of adjustment....................................................................................................................................................................... 415 Fault Overview................................................................................................................................................................................................................................................. 415 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 415 Associated Faults.............................................................................................................................................................................................................................................. 415 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 415 Possible Causes................................................................................................................................................................................................................................................ 416 3482 FMI 16- AFT Fuel Shutoff Valve Plugged.................................................................................................................................................................................................................... 418 Fault Overview................................................................................................................................................................................................................................................. 418 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 418 Associated Faults.............................................................................................................................................................................................................................................. 418 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 418 Possible Causes................................................................................................................................................................................................................................................ 419 AFTPAV (Aftertreatment Purge Air Valve)............................................................................................................................................................................................................................ 421 Overview....................................................................................................................................................................................................................................................... 422 Tools Required................................................................................................................................................................................................................................................. 422 SPN 3490 FMI 3 - AFTPAV short to PWR (Open or High Resistance)................................................................................................................................................................................................. 423 Fault Overview................................................................................................................................................................................................................................................. 423 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 423 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 423 Possible Causes................................................................................................................................................................................................................................................ 423 SPN 3490 FMI 4 - AFTPAV short to GND........................................................................................................................................................................................................................... 427 Fault Overview................................................................................................................................................................................................................................................. 427 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 427 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 427 Possible Causes................................................................................................................................................................................................................................................ 427 SPN 3490 FMI 7- AFTPAV Mechanical system not responding........................................................................................................................................................................................................ 431 Fault Overview................................................................................................................................................................................................................................................. 431 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 431 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 431 Possible Causes................................................................................................................................................................................................................................................ 431 AMS (Air Management System)........................................................................................................................................................................................................................................ 433 Tools Required................................................................................................................................................................................................................................................. 434 SPN 2659 FMI 20 - EGR High Flow Rate Detected.................................................................................................................................................................................................................. 437 Fault Overview................................................................................................................................................................................................................................................. 437 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 437 Associated Faults.............................................................................................................................................................................................................................................. 437 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 438 APP Sensor (Accelerator Pedal Position)............................................................................................................................................................................................................................ 441 Overview....................................................................................................................................................................................................................................................... 442 Tools Required................................................................................................................................................................................................................................................. 442 Pinpoint Diagnostics With ServiceMaxx™ software................................................................................................................................................................................................................ 443 NH3 (Ammonia) Sensor Module........................................................................................................................................................................................................................................ 446 Overview....................................................................................................................................................................................................................................................... 448 Tools Required................................................................................................................................................................................................................................................. 449 SPN 4377 FMI 2- NH3 in range stuck fault....................................................................................................................................................................................................................... 450 Fault Overview................................................................................................................................................................................................................................................. 450 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 450 Associated Faults.............................................................................................................................................................................................................................................. 450 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 451 Possible Causes................................................................................................................................................................................................................................................ 451 SPN 4377 FMI 4- NH3 operation fault............................................................................................................................................................................................................................ 454 Fault Overview................................................................................................................................................................................................................................................. 455 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 455 Associated Faults.............................................................................................................................................................................................................................................. 455 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 455 Possible Causes................................................................................................................................................................................................................................................ 456 SPN 4377 FMI 10- NH3 abnormal rate of change................................................................................................................................................................................................................... 458 Fault Overview................................................................................................................................................................................................................................................. 458 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 458 Associated Faults.............................................................................................................................................................................................................................................. 458 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 458 Possible Causes................................................................................................................................................................................................................................................ 458 SPN 4377 FMI 12- NH3 internal chip error....................................................................................................................................................................................................................... 460 Fault Overview................................................................................................................................................................................................................................................. 460 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 460 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 460 Possible Causes................................................................................................................................................................................................................................................ 460 SPN 4377 FMI 13- NH3 sensor out of calibration................................................................................................................................................................................................................. 462 Fault Overview................................................................................................................................................................................................................................................. 462 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 462 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 462 Possible Causes................................................................................................................................................................................................................................................ 462 SPN 4380 FMI 2- NH3 Signal Erratic, Intermittent, or Incorrect................................................................................................................................................................................................. 464 Fault Overview................................................................................................................................................................................................................................................. 464 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 464 Associated Faults.............................................................................................................................................................................................................................................. 464 Fault Facts.................................................................................................................................................................................................................................................... 464 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 464 Possible Causes................................................................................................................................................................................................................................................ 465 SPN 4380 FMI 16- NH3 signal out of range high.................................................................................................................................................................................................................. 469 Fault Overview................................................................................................................................................................................................................................................. 469 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 469 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 469 Possible Causes................................................................................................................................................................................................................................................ 470 SPN 4380 FMI 18 - NH3 signal out of range low.................................................................................................................................................................................................................. 472 Fault Overview................................................................................................................................................................................................................................................. 472 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 472 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 472 Possible Causes................................................................................................................................................................................................................................................ 473 SPN 4382 FMI 10- NH3 signal out of range high.................................................................................................................................................................................................................. 476 Fault Overview................................................................................................................................................................................................................................................. 476 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 476 Associated Faults.............................................................................................................................................................................................................................................. 476 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 476 Possible Causes................................................................................................................................................................................................................................................ 476 SPN 5302 FMI 18 - NH3 Conversion Efficiency - Data Valid But Below Normal Operating Range - Moderately Severe Level............................................................................................................................................ 478 Fault Overview................................................................................................................................................................................................................................................. 478 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 478 Associated Faults.............................................................................................................................................................................................................................................. 478 Fault Facts.................................................................................................................................................................................................................................................... 478 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 479 Possible Causes................................................................................................................................................................................................................................................ 479 CACOT Sensor (Charge Air Cooler Outlet Temperature)................................................................................................................................................................................................................ 482 Overview....................................................................................................................................................................................................................................................... 483 Tools Required................................................................................................................................................................................................................................................. 483 Pinpoint Diagnostics With ServiceMaxx™ Software................................................................................................................................................................................................................ 485 SPN 2630 FMI 16 - CACOT Undercooling........................................................................................................................................................................................................................... 487 Fault Overview................................................................................................................................................................................................................................................. 487 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 487 Associated Faults.............................................................................................................................................................................................................................................. 487 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 487 Possible Causes................................................................................................................................................................................................................................................ 488 CCOSS Sensor (Crankcase Oil Separator Speed)....................................................................................................................................................................................................................... 490 Tools Required................................................................................................................................................................................................................................................. 490 Pinpoint Crankcase Oil Separator: Not spinning fault........................................................................................................................................................................................................... 491 CCS (Cruise Control System)........................................................................................................................................................................................................................................ 492 Function....................................................................................................................................................................................................................................................... 492 CCS Operation.................................................................................................................................................................................................................................................. 492 CCS Pinpoint Diagnostics – With ServiceMaxx™ Software.......................................................................................................................................................................................................... 493 CFV (Coolant Flow Valve)........................................................................................................................................................................................................................................... 494 CKP Sensor (Crankshaft Position)................................................................................................................................................................................................................................... 496 Overview....................................................................................................................................................................................................................................................... 497 Tools Required................................................................................................................................................................................................................................................. 497 SPN 637 FMI 8 - CKP signal noise............................................................................................................................................................................................................................... 499 Fault Overview................................................................................................................................................................................................................................................. 499 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 499 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 499 Possible Causes................................................................................................................................................................................................................................................ 499 SPN 637 FMI 10 - CKP signal inactive........................................................................................................................................................................................................................... 503 Fault Overview................................................................................................................................................................................................................................................. 503 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 503 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 503 Possible Causes................................................................................................................................................................................................................................................ 503 CMP (Camshaft Position) Sensor..................................................................................................................................................................................................................................... 507 Overview....................................................................................................................................................................................................................................................... 508 Tools Required................................................................................................................................................................................................................................................. 508 SPN 636 FMI 2 - CMP and CKP Synchronization Error.............................................................................................................................................................................................................. 510 Fault Overview................................................................................................................................................................................................................................................. 510 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 510 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 510 Possible Causes................................................................................................................................................................................................................................................ 510 SPN 636 FMI 8 - CMP signal noise............................................................................................................................................................................................................................... 514 Fault Overview................................................................................................................................................................................................................................................. 514 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 514 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 514 Possible Causes................................................................................................................................................................................................................................................ 514 SPN 636 FMI 10 - CMP signal inactive........................................................................................................................................................................................................................... 518 Fault Overview................................................................................................................................................................................................................................................. 518 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 518 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 518 Possible Causes................................................................................................................................................................................................................................................ 518 CMV (Coolant Mixer Valve).......................................................................................................................................................................................................................................... 522 Tools Required................................................................................................................................................................................................................................................. 522 IAHFI (Inlet Air Heater Fuel Igniter).............................................................................................................................................................................................................................. 524 Overview....................................................................................................................................................................................................................................................... 525 Tools Required................................................................................................................................................................................................................................................. 525 SPN 3061 FMI 31 - CSER Exhaust warm up fault................................................................................................................................................................................................................... 526 Fault Overview................................................................................................................................................................................................................................................. 526 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 526 Associated Faults.............................................................................................................................................................................................................................................. 526 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 526 Possible Causes................................................................................................................................................................................................................................................ 526 5548 FMI 4- Inlet Air Heater Fuel Ignitor short to GND......................................................................................................................................................................................................... 528 Fault Overview................................................................................................................................................................................................................................................. 528 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 528 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 528 Possible Causes................................................................................................................................................................................................................................................ 528 Cold Soak Sensor Compare Check With ServiceMaxx™ Software...................................................................................................................................................................................................... 531 IAHFS (Inlet Air Heater Fuel Solenoid)............................................................................................................................................................................................................................. 535 Tools Required................................................................................................................................................................................................................................................. 536 Cylinder Balance................................................................................................................................................................................................................................................... 538 Overview....................................................................................................................................................................................................................................................... 542 Tools Required................................................................................................................................................................................................................................................. 542 SPN 651 FMI 13- Injector 1 programmable parameter error........................................................................................................................................................................................................ 543 Fault Overview................................................................................................................................................................................................................................................. 543 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 543 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 543 Possible Causes................................................................................................................................................................................................................................................ 543 SPN 651 FMI 16- Injector 1 Fuel quantity/timing high error..................................................................................................................................................................................................... 545 Fault Overview................................................................................................................................................................................................................................................. 545 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 545 Associated Faults.............................................................................................................................................................................................................................................. 545 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 545 Possible Causes................................................................................................................................................................................................................................................ 545 SPN 651 FMI 18- Injector 1 Fuel quantity/timing low error...................................................................................................................................................................................................... 548 Fault Overview................................................................................................................................................................................................................................................. 548 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 548 Associated Faults.............................................................................................................................................................................................................................................. 548 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 548 Possible Causes................................................................................................................................................................................................................................................ 548 SPN 652 FMI 13- Injector 2 programmable parameter error........................................................................................................................................................................................................ 550 Fault Overview................................................................................................................................................................................................................................................. 550 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 550 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 550 Possible Causes................................................................................................................................................................................................................................................ 550 SPN 652 FMI 16- Injector 2 Fuel quantity/timing high error..................................................................................................................................................................................................... 552 Fault Overview................................................................................................................................................................................................................................................. 552 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 552 Associated Faults.............................................................................................................................................................................................................................................. 552 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 552 Possible Causes................................................................................................................................................................................................................................................ 552 SPN 652 FMI 18- Injector 2 Fuel quantity/timing low error...................................................................................................................................................................................................... 555 Fault Overview................................................................................................................................................................................................................................................. 555 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 555 Associated Faults.............................................................................................................................................................................................................................................. 555 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 555 Possible Causes................................................................................................................................................................................................................................................ 555 SPN 653 FMI 13- Injector 3 programmable parameter error........................................................................................................................................................................................................ 557 Fault Overview................................................................................................................................................................................................................................................. 557 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 557 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 557 Possible Causes................................................................................................................................................................................................................................................ 557 SPN 653 FMI 16- Injector 3 Fuel quantity/timing high error..................................................................................................................................................................................................... 559 Fault Overview................................................................................................................................................................................................................................................. 559 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 559 Associated Faults.............................................................................................................................................................................................................................................. 559 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 559 Possible Causes................................................................................................................................................................................................................................................ 559 SPN 653 FMI 18- Injector 3 Fuel quantity/timing low error...................................................................................................................................................................................................... 562 Fault Overview................................................................................................................................................................................................................................................. 562 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 562 Associated Faults.............................................................................................................................................................................................................................................. 562 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 562 Possible Causes................................................................................................................................................................................................................................................ 562 SPN 654 FMI 13- Injector 4 programmable parameter error........................................................................................................................................................................................................ 564 Fault Overview................................................................................................................................................................................................................................................. 564 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 564 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 564 Possible Causes................................................................................................................................................................................................................................................ 564 SPN 654 FMI 16- Injector 1 Fuel quantity/timing high error..................................................................................................................................................................................................... 566 Fault Overview................................................................................................................................................................................................................................................. 566 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 566 Associated Faults.............................................................................................................................................................................................................................................. 566 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 566 Possible Causes................................................................................................................................................................................................................................................ 566 SPN 654 FMI 18- Injector 4 Fuel quantity/timing low error...................................................................................................................................................................................................... 569 Fault Overview................................................................................................................................................................................................................................................. 569 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 569 Associated Faults.............................................................................................................................................................................................................................................. 569 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 569 Possible Causes................................................................................................................................................................................................................................................ 569 SPN 655 FMI 13- Injector 5 programmable parameter error........................................................................................................................................................................................................ 571 Fault Overview................................................................................................................................................................................................................................................. 571 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 571 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 571 Possible Causes................................................................................................................................................................................................................................................ 571 SPN 655 FMI 16- Injector 5 Fuel quantity/timing high error..................................................................................................................................................................................................... 573 Fault Overview................................................................................................................................................................................................................................................. 573 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 573 Associated Faults.............................................................................................................................................................................................................................................. 573 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 573 Possible Causes................................................................................................................................................................................................................................................ 573 SPN 655 FMI 18- Injector 5 Fuel quantity/timing low error...................................................................................................................................................................................................... 576 Fault Overview................................................................................................................................................................................................................................................. 576 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 576 Associated Faults.............................................................................................................................................................................................................................................. 576 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 576 Possible Causes................................................................................................................................................................................................................................................ 576 SPN 656 FMI 13- Injector 6 programmable parameter error........................................................................................................................................................................................................ 578 Fault Overview................................................................................................................................................................................................................................................. 578 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 578 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 578 Possible Causes................................................................................................................................................................................................................................................ 578 SPN 656 FMI 16- Injector 6 Fuel quantity/timing high error..................................................................................................................................................................................................... 580 Fault Overview................................................................................................................................................................................................................................................. 580 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 580 Associated Faults.............................................................................................................................................................................................................................................. 580 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 580 Possible Causes................................................................................................................................................................................................................................................ 580 SPN 656 FMI 18- Injector 6 Fuel quantity/timing low error...................................................................................................................................................................................................... 583 Fault Overview................................................................................................................................................................................................................................................. 583 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 583 Associated Faults.............................................................................................................................................................................................................................................. 583 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 583 Possible Causes................................................................................................................................................................................................................................................ 583 SPN 1322 FMI 31- Misfire- Multiple Cylinders................................................................................................................................................................................................................... 585 Fault Overview................................................................................................................................................................................................................................................. 585 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 585 Associated Faults.............................................................................................................................................................................................................................................. 585 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 585 Possible Causes................................................................................................................................................................................................................................................ 585 SPN 1323 FMI 31- Misfire- Cylinder 1........................................................................................................................................................................................................................... 589 Fault Overview................................................................................................................................................................................................................................................. 589 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 589 Associated Faults.............................................................................................................................................................................................................................................. 589 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 589 Possible Causes................................................................................................................................................................................................................................................ 589 SPN 1324 FMI 31- Misfire- Cylinder 2........................................................................................................................................................................................................................... 592 Fault Overview................................................................................................................................................................................................................................................. 592 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 592 Associated Faults.............................................................................................................................................................................................................................................. 592 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 592 Possible Causes................................................................................................................................................................................................................................................ 592 SPN 1325 FMI 31- Misfire- Cylinder 3........................................................................................................................................................................................................................... 595 Fault Overview................................................................................................................................................................................................................................................. 595 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 595 Associated Faults.............................................................................................................................................................................................................................................. 595 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 595 Possible Causes................................................................................................................................................................................................................................................ 595 SPN 1326 FMI 31- Misfire- Cylinder 4........................................................................................................................................................................................................................... 598 Fault Overview................................................................................................................................................................................................................................................. 598 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 598 Associated Faults.............................................................................................................................................................................................................................................. 598 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 598 Possible Causes................................................................................................................................................................................................................................................ 598 SPN 1327 FMI 31- Misfire- Cylinder 5........................................................................................................................................................................................................................... 601 Fault Overview................................................................................................................................................................................................................................................. 601 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 601 Associated Faults.............................................................................................................................................................................................................................................. 601 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 601 Possible Causes................................................................................................................................................................................................................................................ 601 SPN 1328 FMI 31- Misfire- Cylinder 6........................................................................................................................................................................................................................... 604 Fault Overview................................................................................................................................................................................................................................................. 604 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 604 Associated Faults.............................................................................................................................................................................................................................................. 604 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 604 Possible Causes................................................................................................................................................................................................................................................ 604 DEFDUH (Diesel Exhaust Fluid Dosing Unit Heater)................................................................................................................................................................................................................... 607 Overview....................................................................................................................................................................................................................................................... 609 Tools Required................................................................................................................................................................................................................................................. 610 SPN 5745 FMI 3- DEFDUH Out of Range HIGH....................................................................................................................................................................................................................... 611 Fault Overview................................................................................................................................................................................................................................................. 611 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 611 Associated Faults.............................................................................................................................................................................................................................................. 611 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 611 Possible Causes................................................................................................................................................................................................................................................ 612 SPN 5745 FMI 4- DEFDUH Out of Range LOW........................................................................................................................................................................................................................ 615 Fault Overview................................................................................................................................................................................................................................................. 615 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 615 Associated Faults.............................................................................................................................................................................................................................................. 615 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 615 Possible Causes................................................................................................................................................................................................................................................ 616 SPN 5745 FMI 18 - DEFDUH below Warning Temperature............................................................................................................................................................................................................. 621 Fault Overview................................................................................................................................................................................................................................................. 621 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 621 Associated Faults.............................................................................................................................................................................................................................................. 621 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 621 Possible Causes................................................................................................................................................................................................................................................ 622 SPN 5798 FMI 2 - DEFDUH temperature erratic, intermittent, or incorrect........................................................................................................................................................................................ 625 Fault Overview................................................................................................................................................................................................................................................. 625 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 625 Associated Faults.............................................................................................................................................................................................................................................. 625 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 625 Possible Causes................................................................................................................................................................................................................................................ 626 SPN 5798 FMI 10- DEFDUH Temperature abnormal rate of change.................................................................................................................................................................................................... 629 Fault Overview................................................................................................................................................................................................................................................. 629 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 629 Associated Faults.............................................................................................................................................................................................................................................. 629 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 629 Possible Causes................................................................................................................................................................................................................................................ 630 DEFDV (Diesel Exhaust Fluid Doser Valve)........................................................................................................................................................................................................................... 633 Overview....................................................................................................................................................................................................................................................... 634 Tools Required................................................................................................................................................................................................................................................. 634 SPN 5394 FMI 2 - DEFDC signal erratic, intermittent or incorrect............................................................................................................................................................................................... 636 Fault Overview................................................................................................................................................................................................................................................. 636 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 636 Associated Faults.............................................................................................................................................................................................................................................. 636 Faults Facts................................................................................................................................................................................................................................................... 636 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 636 Possible Causes................................................................................................................................................................................................................................................ 636 SPN 5394 FMI 5 - DEFDC open load / circuit (short)............................................................................................................................................................................................................. 639 Fault Overview................................................................................................................................................................................................................................................. 639 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 639 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 639 Possible Causes................................................................................................................................................................................................................................................ 640 SPN 5394 FMI 7- DEF Dosing Valve - Mechanical system not responding............................................................................................................................................................................................ 642 Fault Overview................................................................................................................................................................................................................................................. 642 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 642 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 642 Possible Causes................................................................................................................................................................................................................................................ 642 DEFLHR (Diesel Exhaust Fluid Line Heater Relay).................................................................................................................................................................................................................... 644 Overview....................................................................................................................................................................................................................................................... 645 Tools Required................................................................................................................................................................................................................................................. 645 SPN 5491 FMI 3 - DEFLHR short to PWR (Open or High Resistance)................................................................................................................................................................................................. 647 Fault Overview................................................................................................................................................................................................................................................. 647 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 647 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 647 Possible Causes................................................................................................................................................................................................................................................ 648 SPN 5491 FMI 4- DEFLHR short to GND............................................................................................................................................................................................................................ 652 Fault Overview................................................................................................................................................................................................................................................. 652 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 652 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 652 Possible Causes................................................................................................................................................................................................................................................ 653 DEFLP (Diesel Exhaust Fluid Line Pressure) Sensor.................................................................................................................................................................................................................. 656 Overview....................................................................................................................................................................................................................................................... 658 Tools Required................................................................................................................................................................................................................................................. 658 SPN 4334 FMI 2 - DEFLP signal erratic, intermittent or incorrect............................................................................................................................................................................................... 659 Fault Overview................................................................................................................................................................................................................................................. 659 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 659 Associated Faults.............................................................................................................................................................................................................................................. 659 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 659 Possible Causes................................................................................................................................................................................................................................................ 660 SPN 4334 FMI 3- DEFLP signal Out of Range HIGH................................................................................................................................................................................................................. 663 Fault Overview................................................................................................................................................................................................................................................. 663 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 663 Associated Faults.............................................................................................................................................................................................................................................. 663 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 663 Possible Causes................................................................................................................................................................................................................................................ 664 SPN 4334 FMI 4- DEFLP signal Out of Range LOW.................................................................................................................................................................................................................. 666 Fault Overview................................................................................................................................................................................................................................................. 666 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 666 Associated Faults.............................................................................................................................................................................................................................................. 666 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 666 Possible Causes................................................................................................................................................................................................................................................ 667 SPN 4334 FMI 16- DEFLP above Maximum Pressure.................................................................................................................................................................................................................. 669 Fault Overview................................................................................................................................................................................................................................................. 669 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 669 Associated Faults.............................................................................................................................................................................................................................................. 669 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 669 Possible Causes................................................................................................................................................................................................................................................ 670 SPN 4334 FMI 18- DEFLP below normal operating range............................................................................................................................................................................................................ 672 Fault Overview................................................................................................................................................................................................................................................. 672 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 672 Associated Faults.............................................................................................................................................................................................................................................. 672 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 672 Possible Causes................................................................................................................................................................................................................................................ 673 DEFPLH (Diesel Exhaust Fluid Pressure Line Heater)................................................................................................................................................................................................................. 675 Overview....................................................................................................................................................................................................................................................... 676 Tools Required................................................................................................................................................................................................................................................. 677 SPN 4344 FMI 3- Diesel Exhaust Fluid Line 1 Heater Circuit (DEFL1HC) Short to PWR.............................................................................................................................................................................. 678 Fault Overview................................................................................................................................................................................................................................................. 678 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 678 Associated Faults.............................................................................................................................................................................................................................................. 678 Fault Facts.................................................................................................................................................................................................................................................... 678 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 678 Possible Causes................................................................................................................................................................................................................................................ 679 SPN 4344 FMI 5 - Diesel Exhaust Fluid Line 1 Heater Circuit (DEFL1HC) Open load / circuit...................................................................................................................................................................... 682 Fault Overview................................................................................................................................................................................................................................................. 682 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 682 Associated Faults.............................................................................................................................................................................................................................................. 682 Fault Facts.................................................................................................................................................................................................................................................... 682 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 682 Possible Causes................................................................................................................................................................................................................................................ 683 DEFRLH (Diesel Exhaust Fluid Return Line Heater)................................................................................................................................................................................................................... 688 Overview....................................................................................................................................................................................................................................................... 689 Tools Required................................................................................................................................................................................................................................................. 690 SPN 4342 FMI 3- Diesel Exhaust Fluid Line 2 Heater Circuit (DEFL2HC) Short to PWR.............................................................................................................................................................................. 691 Fault Overview................................................................................................................................................................................................................................................. 691 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 691 Associated Faults.............................................................................................................................................................................................................................................. 691 Fault Facts.................................................................................................................................................................................................................................................... 691 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 691 Possible Causes................................................................................................................................................................................................................................................ 692 SPN 4342 FMI 5 - Diesel Exhaust Fluid Line 2 Heater Circuit (DEFL2HC) Open load / circuit...................................................................................................................................................................... 695 Fault Overview................................................................................................................................................................................................................................................. 695 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 695 Associated Faults.............................................................................................................................................................................................................................................. 695 Fault Facts.................................................................................................................................................................................................................................................... 695 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 695 Possible Causes................................................................................................................................................................................................................................................ 696 DEFRV (Diesel Exhaust Fluid Return Valve).......................................................................................................................................................................................................................... 701 Overview....................................................................................................................................................................................................................................................... 702 Tools Required................................................................................................................................................................................................................................................. 702 SPN 4376 FMI 3- DEF Return Valve short to PWR (Open or High Resistance)........................................................................................................................................................................................ 704 Fault Overview................................................................................................................................................................................................................................................. 704 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 704 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 704 Fault Fact..................................................................................................................................................................................................................................................... 704 Possible Causes................................................................................................................................................................................................................................................ 705 SPN 4376 FMI 4- DEF Return Valve short to GND.................................................................................................................................................................................................................. 707 Fault Overview................................................................................................................................................................................................................................................. 707 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 707 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 707 Fault Fact..................................................................................................................................................................................................................................................... 707 Possible Causes................................................................................................................................................................................................................................................ 708 SPN 4376 FMI 7- DEF Return Valve - Mechanical system not responding or out of adjustment....................................................................................................................................................................... 710 Fault Overview................................................................................................................................................................................................................................................. 710 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 710 Associated Faults.............................................................................................................................................................................................................................................. 710 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 710 Fault Fact..................................................................................................................................................................................................................................................... 710 Possible Causes................................................................................................................................................................................................................................................ 711 DEFSLH (Diesel Exhaust Fluid Suction Line Heater).................................................................................................................................................................................................................. 713 Overview....................................................................................................................................................................................................................................................... 714 Tools Required................................................................................................................................................................................................................................................. 715 SPN 4340 FMI 3- Diesel Exhaust Fluid Line 3 Heater Circuit (DEFL3HC) Short to PWR.............................................................................................................................................................................. 716 Fault Overview................................................................................................................................................................................................................................................. 716 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 716 Associated Faults.............................................................................................................................................................................................................................................. 716 Fault Facts.................................................................................................................................................................................................................................................... 716 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 716 Possible Causes................................................................................................................................................................................................................................................ 717 SPN 4340 FMI 5 - Diesel Exhaust Fluid Line 3 Heater Circuit (DEFL3HC) Open load / circuit...................................................................................................................................................................... 720 Fault Overview................................................................................................................................................................................................................................................. 720 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 720 Associated Faults.............................................................................................................................................................................................................................................. 720 Fault Facts.................................................................................................................................................................................................................................................... 720 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 720 Possible Causes................................................................................................................................................................................................................................................ 721 DEFSP (Diesel Exhaust Fluid Supply Pump)........................................................................................................................................................................................................................... 726 Overview....................................................................................................................................................................................................................................................... 728 Tools Required................................................................................................................................................................................................................................................. 729 SPN 3361 FMI 2 - DEFSP signal erratic, intermittent or incorrect............................................................................................................................................................................................... 730 Fault Overview................................................................................................................................................................................................................................................. 730 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 730 Associated Faults.............................................................................................................................................................................................................................................. 730 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 730 Possible Causes................................................................................................................................................................................................................................................ 731 SPN 3361 FMI 3 - DEFSP signal Out of Range HIGH................................................................................................................................................................................................................ 734 Fault Overview................................................................................................................................................................................................................................................. 734 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 734 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 734 Possible Causes................................................................................................................................................................................................................................................ 735 SPN 3361 FMI 4 - DEFSP signal Out of Range LOW................................................................................................................................................................................................................. 737 Fault Overview................................................................................................................................................................................................................................................. 737 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 737 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 737 SPN 3362 FMI 31 - DEF dosing unable to prime................................................................................................................................................................................................................... 740 Fault Overview................................................................................................................................................................................................................................................. 740 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 740 Associated Faults.............................................................................................................................................................................................................................................. 740 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 740 SPN 4337 FMI 2- DEF Supply Module Temperature erratic, intermittent, or incorrect.............................................................................................................................................................................. 744 Fault Overview................................................................................................................................................................................................................................................. 744 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 744 Associated Faults.............................................................................................................................................................................................................................................. 744 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 744 Possible Causes................................................................................................................................................................................................................................................ 745 SPN 4337 FMI 10 - DEF Supply Module Temperature abnormal rate of change........................................................................................................................................................................................ 748 Fault Overview................................................................................................................................................................................................................................................. 748 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 748 Associated Faults.............................................................................................................................................................................................................................................. 748 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 748 Possible Causes................................................................................................................................................................................................................................................ 749 DEFTHC (Diesel Exhaust Fluid Tank Heater Valve).................................................................................................................................................................................................................... 752 Overview....................................................................................................................................................................................................................................................... 753 Tools Required................................................................................................................................................................................................................................................. 753 SPN 3363 FMI 3 - DEFTHC short to PWR (Open or high resistance)................................................................................................................................................................................................. 755 Fault Overview................................................................................................................................................................................................................................................. 755 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 755 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 755 Possible Causes................................................................................................................................................................................................................................................ 755 SPN 3363 FMI 4 - DEFTHC short to GND........................................................................................................................................................................................................................... 757 Fault Overview................................................................................................................................................................................................................................................. 757 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 757 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 757 Possible Causes................................................................................................................................................................................................................................................ 757 SPN 3363 FMI 7- DEFTHC Mechanical system not responding........................................................................................................................................................................................................ 759 Fault Overview................................................................................................................................................................................................................................................. 759 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 759 Associated Faults.............................................................................................................................................................................................................................................. 759 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 759 Possible Causes................................................................................................................................................................................................................................................ 760 SPN 3363 FMI 16 - DEFTHC stuck On fault........................................................................................................................................................................................................................ 762 Fault Overview................................................................................................................................................................................................................................................. 762 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 762 Associated Faults.............................................................................................................................................................................................................................................. 762 Fault Facts.................................................................................................................................................................................................................................................... 762 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 762 Possible Causes................................................................................................................................................................................................................................................ 763 SPN 3363 FMI 18 - DEFTHC unable to thaw frozen DEF............................................................................................................................................................................................................. 765 Fault Overview................................................................................................................................................................................................................................................. 765 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 765 Associated Faults.............................................................................................................................................................................................................................................. 765 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 765 Possible Causes................................................................................................................................................................................................................................................ 766 DEFTLT (Diesel Exhaust Fluid Tank Level and Temperature) Sensor Module............................................................................................................................................................................................. 768 Overview....................................................................................................................................................................................................................................................... 770 DEF Tank Level Inducement (Level 1–5).......................................................................................................................................................................................................................... 770 Tools Required................................................................................................................................................................................................................................................. 771 SPN 1761 FMI 1- DEFTL Inducement (Level 3–5)................................................................................................................................................................................................................... 772 Fault Overview................................................................................................................................................................................................................................................. 772 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 772 Associated Faults.............................................................................................................................................................................................................................................. 772 Fault Facts.................................................................................................................................................................................................................................................... 772 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 772 Possible Causes................................................................................................................................................................................................................................................ 773 SPN 1761 FMI 3 - Diesel Exhaust Fluid Tank Level (DELFT) signal Out of Range High.............................................................................................................................................................................. 775 Fault Overview................................................................................................................................................................................................................................................. 775 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 775 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 775 Possible Causes................................................................................................................................................................................................................................................ 775 SPN 1761 FMI 4 - Diesel Exhaust Fluid Tank Level (DELFT) signal Out of Range Low............................................................................................................................................................................... 777 Fault Overview................................................................................................................................................................................................................................................. 777 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 777 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 777 Possible Causes................................................................................................................................................................................................................................................ 777 SPN 1761 FMI 10 - Diesel Exhaust Fluid (DEF) Level abnormal rate of change..................................................................................................................................................................................... 779 Fault Overview................................................................................................................................................................................................................................................. 779 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 779 Associated Faults.............................................................................................................................................................................................................................................. 779 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 779 Possible Causes................................................................................................................................................................................................................................................ 779 SPN 1761 FMI 11 - Diesel Exhaust Fluid Tank Level (DEFTL) signal erratic intermittent or incorrect............................................................................................................................................................. 782 Fault Overview................................................................................................................................................................................................................................................. 782 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 782 Associated Faults.............................................................................................................................................................................................................................................. 782 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 782 Possible Causes................................................................................................................................................................................................................................................ 782 SPN 1761 FMI 17 - DEFTL Inducement (Level 1)................................................................................................................................................................................................................... 785 Fault Overview................................................................................................................................................................................................................................................. 785 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 785 Associated Faults.............................................................................................................................................................................................................................................. 785 Fault Facts.................................................................................................................................................................................................................................................... 785 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 785 Possible Causes................................................................................................................................................................................................................................................ 786 SPN 1761 FMI 18 - DEFTL Inducement (Level 2)................................................................................................................................................................................................................... 788 Fault Overview................................................................................................................................................................................................................................................. 788 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 788 Associated Faults.............................................................................................................................................................................................................................................. 788 Fault Facts.................................................................................................................................................................................................................................................... 788 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 788 Possible Causes................................................................................................................................................................................................................................................ 789 SPN 1761 FMI 19 - Diesel Exhaust Fluid Tank Level Temperature (DEFTLT) not detected on J1939................................................................................................................................................................... 791 Fault Overview................................................................................................................................................................................................................................................. 791 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 791 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 791 Possible Cause................................................................................................................................................................................................................................................. 791 SPN 3031 FMI 2 - Diesel Exhaust Fluid Tank Temperature (DEFTT) signal erratic intermittent or incorrect........................................................................................................................................................ 795 Fault Overview................................................................................................................................................................................................................................................. 795 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 795 Associated Faults.............................................................................................................................................................................................................................................. 795 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 795 Possible Causes................................................................................................................................................................................................................................................ 795 SPN 3031 FMI 3 - Diesel Exhaust Fluid Tank Temperature (DEFTT) signal Out of Range High........................................................................................................................................................................ 798 Fault Overview................................................................................................................................................................................................................................................. 798 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 798 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 798 Possible Causes................................................................................................................................................................................................................................................ 798 SPN 3031 FMI 4 - Diesel Exhaust Fluid Tank Temperature (DEFTT) signal Out of Range Low......................................................................................................................................................................... 800 Fault Overview................................................................................................................................................................................................................................................. 800 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 800 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 800 Possible Causes................................................................................................................................................................................................................................................ 800 SPN 3031 FMI 9 - Diesel Exhaust Fluid Tank Temperature (DEFTT) signal erratic intermittent or incorrect........................................................................................................................................................ 802 Fault Overview................................................................................................................................................................................................................................................. 802 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 802 Associated Faults.............................................................................................................................................................................................................................................. 802 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 802 Possible Causes................................................................................................................................................................................................................................................ 802 DEFUHR (Diesel Exhaust Fluid Unit Heater Relay).................................................................................................................................................................................................................... 805 Overview....................................................................................................................................................................................................................................................... 806 Tools Required................................................................................................................................................................................................................................................. 806 SPN 5746 FMI 3 - DEF Dosing Unit Heater Relay short to PWR (Open or high resistance)........................................................................................................................................................................... 808 Fault Overview................................................................................................................................................................................................................................................. 808 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 808 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 808 Possible Causes................................................................................................................................................................................................................................................ 808 SPN 5746 FMI 4- DEF Dosing Unit Heater Relay short to GND...................................................................................................................................................................................................... 812 Fault Overview................................................................................................................................................................................................................................................. 812 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 812 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 812 Possible Causes................................................................................................................................................................................................................................................ 812 DOC / DPF Temperature Sensor Module ............................................................................................................................................................................................................................... 815 Overview....................................................................................................................................................................................................................................................... 816 Tools Required................................................................................................................................................................................................................................................. 816 SPN 5742 FMI 3- DOC / DPF Temperature Sensor Module Out of Range HIGH.......................................................................................................................................................................................... 818 Fault Overview................................................................................................................................................................................................................................................. 818 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 818 Associated Faults.............................................................................................................................................................................................................................................. 818 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 818 Possible Causes................................................................................................................................................................................................................................................ 819 SPN 5742 FMI 4 - DOC / DPF Temperature Sensor Module Out of Range LOW.......................................................................................................................................................................................... 821 Fault Overview................................................................................................................................................................................................................................................. 821 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 821 Associated Faults.............................................................................................................................................................................................................................................. 821 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 821 Possible causes................................................................................................................................................................................................................................................ 822 SPN 5742 FMI 11 - DOC / DPF Temperature Sensor Module signal erratic, intermittent, or incorrect............................................................................................................................................................... 824 Fault Overview................................................................................................................................................................................................................................................. 824 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 824 Associated Faults.............................................................................................................................................................................................................................................. 824 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 824 Possible Causes................................................................................................................................................................................................................................................ 825 SPN 5742 FMI 16 - DOC / DPF Temperature Sensor Module above Maximum Temperature................................................................................................................................................................................ 827 Fault Overview................................................................................................................................................................................................................................................. 827 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 827 Fault Facts.................................................................................................................................................................................................................................................... 827 Associated Faults.............................................................................................................................................................................................................................................. 827 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 827 Possible Causes................................................................................................................................................................................................................................................ 828 DOCIT Sensor (Diesel Oxidation Catalyst Inlet Temperature)......................................................................................................................................................................................................... 830 Overview....................................................................................................................................................................................................................................................... 832 Tools Required................................................................................................................................................................................................................................................. 832 SPN 4765 FMI 0 DOCIT Above Critical Temperature................................................................................................................................................................................................................ 834 Fault Overview................................................................................................................................................................................................................................................. 834 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 834 Associated Faults.............................................................................................................................................................................................................................................. 834 Fault Facts.................................................................................................................................................................................................................................................... 834 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 834 Possible Causes................................................................................................................................................................................................................................................ 834 SPN 4765 FMI 2 DOCIT signal erratic, intermittent, or incorrect................................................................................................................................................................................................ 838 Fault Overview................................................................................................................................................................................................................................................. 838 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 838 Associated Faults.............................................................................................................................................................................................................................................. 838 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 838 Possible Causes................................................................................................................................................................................................................................................ 838 SPN 4765 FMI 3 DOCIT signal Out of Range HIGH.................................................................................................................................................................................................................. 840 Fault Overview................................................................................................................................................................................................................................................. 840 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 840 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 840 Possible Causes................................................................................................................................................................................................................................................ 840 SPN 4765 FMI 4 DOCIT signal Out of Range LOW................................................................................................................................................................................................................... 841 Fault Overview................................................................................................................................................................................................................................................. 841 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 841 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 841 Possible Causes................................................................................................................................................................................................................................................ 841 SPN 4765 FMI 15 DOCIT Above Warning Temperature................................................................................................................................................................................................................ 842 Fault Overview................................................................................................................................................................................................................................................. 842 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 842 Associated Faults.............................................................................................................................................................................................................................................. 842 Fault Facts.................................................................................................................................................................................................................................................... 842 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 842 Possible Causes................................................................................................................................................................................................................................................ 842 SPN 4765 FMI 16 DOCIT Above Maximum Temperature................................................................................................................................................................................................................ 846 Fault Overview................................................................................................................................................................................................................................................. 846 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 846 Associated Faults.............................................................................................................................................................................................................................................. 846 Fault Facts.................................................................................................................................................................................................................................................... 846 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 846 Possible Causes................................................................................................................................................................................................................................................ 846 DPFDP (Diesel Particulate Filter Differential Pressure ) / Outlet Pressure Sensor ................................................................................................................................................................................. 850 Overview....................................................................................................................................................................................................................................................... 852 Tools Required................................................................................................................................................................................................................................................. 853 SPN 3251 FMI 2 - DPFDP signal erratic, intermittent, or incorrect.............................................................................................................................................................................................. 854 Fault Overview................................................................................................................................................................................................................................................. 854 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 854 Associated Faults.............................................................................................................................................................................................................................................. 854 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 854 Possible Causes................................................................................................................................................................................................................................................ 855 SPN 3251 FMI 3 - DPFDP signal Out of Range HIGH................................................................................................................................................................................................................ 857 Fault Overview................................................................................................................................................................................................................................................. 857 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 857 Associated Fault............................................................................................................................................................................................................................................... 857 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 857 Possible Causes................................................................................................................................................................................................................................................ 857 SPN 3251 FMI 4- DPFDP signal Out of Range LOW.................................................................................................................................................................................................................. 859 Fault Overview................................................................................................................................................................................................................................................. 859 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 859 Associated Faults.............................................................................................................................................................................................................................................. 859 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 859 Possible Causes................................................................................................................................................................................................................................................ 860 SPN 3610 FMI 2- DPFOP Signal Erratic, Intermittent, or Incorrect............................................................................................................................................................................................... 862 Fault Overview................................................................................................................................................................................................................................................. 862 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 862 Associated Faults.............................................................................................................................................................................................................................................. 862 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 862 Possible Causes................................................................................................................................................................................................................................................ 863 SPN 3610 FMI 3 - DPFOP Sensor Circuit Voltage Above Normal or Shorted High..................................................................................................................................................................................... 865 Fault Overview................................................................................................................................................................................................................................................. 865 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 865 Associated Faults.............................................................................................................................................................................................................................................. 865 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 865 Possible Causes................................................................................................................................................................................................................................................ 865 SPN 3610 FMI 4- DPFOP Out of Range Signal Low.................................................................................................................................................................................................................. 867 Fault Overview................................................................................................................................................................................................................................................. 867 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 867 Associated Faults.............................................................................................................................................................................................................................................. 867 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 867 Possible Causes................................................................................................................................................................................................................................................ 867 DPFIT Sensor (Diesel Particulate Filter Inlet Temperature)......................................................................................................................................................................................................... 870 Overview....................................................................................................................................................................................................................................................... 873 Tools Required................................................................................................................................................................................................................................................. 874 SPN 3242 FMI 0 DPFIT above Critical Temperature................................................................................................................................................................................................................ 875 Fault Overview................................................................................................................................................................................................................................................. 875 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 875 Associated Faults.............................................................................................................................................................................................................................................. 875 Fault Facts.................................................................................................................................................................................................................................................... 875 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 875 Possible Causes................................................................................................................................................................................................................................................ 875 SPN 3242 FMI 2 DPFIT signal erratic, intermittent, or incorrect................................................................................................................................................................................................ 879 Fault Overview................................................................................................................................................................................................................................................. 879 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 879 Associated Faults.............................................................................................................................................................................................................................................. 879 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 879 Possible Causes................................................................................................................................................................................................................................................ 879 SPN 3242 FMI 3 DPFIT signal Out of Range HIGH.................................................................................................................................................................................................................. 881 Fault Overview................................................................................................................................................................................................................................................. 881 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 881 Associated Faults.............................................................................................................................................................................................................................................. 881 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 881 Possible Causes................................................................................................................................................................................................................................................ 881 SPN 3242 FMI 4 DPFIT signal Out of Range LOW................................................................................................................................................................................................................... 882 Fault Overview................................................................................................................................................................................................................................................. 882 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 882 Associated Faults.............................................................................................................................................................................................................................................. 882 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 882 Possible Causes................................................................................................................................................................................................................................................ 882 SPN 3242 FMI 15 - DPFIT Above Warning Temperature.............................................................................................................................................................................................................. 883 Fault Overview................................................................................................................................................................................................................................................. 883 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 883 Associated Faults.............................................................................................................................................................................................................................................. 883 Fault Facts.................................................................................................................................................................................................................................................... 883 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 883 Possible Causes................................................................................................................................................................................................................................................ 883 SPN 3242 FMI 16 - DPFIT Above Maximum Temperature.............................................................................................................................................................................................................. 887 Fault Overview................................................................................................................................................................................................................................................. 887 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 887 Associated Faults.............................................................................................................................................................................................................................................. 887 Fault Facts.................................................................................................................................................................................................................................................... 887 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 887 Possible Causes................................................................................................................................................................................................................................................ 887 SPN 4766 FMI 0 DPFIT Above Critical Temperature (DPFIT)........................................................................................................................................................................................................ 891 Fault Overview................................................................................................................................................................................................................................................. 891 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 891 Associated Faults.............................................................................................................................................................................................................................................. 891 Fault Facts.................................................................................................................................................................................................................................................... 891 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 891 Possible Causes................................................................................................................................................................................................................................................ 891 SPN 4766 FMI 15 - DPFIT Above Warning Temperature (DPFIT)...................................................................................................................................................................................................... 895 Fault Overview................................................................................................................................................................................................................................................. 895 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 895 Associated Faults.............................................................................................................................................................................................................................................. 895 Fault Facts.................................................................................................................................................................................................................................................... 895 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 895 Possible Causes................................................................................................................................................................................................................................................ 895 SPN 4766 FMI 16 DPFIT Above Maximum Temperature (DPFIT)........................................................................................................................................................................................................ 899 Fault Overview................................................................................................................................................................................................................................................. 899 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 899 Associated Faults.............................................................................................................................................................................................................................................. 899 Fault Facts.................................................................................................................................................................................................................................................... 899 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 899 Possible Causes................................................................................................................................................................................................................................................ 899 DPFOT Sensor (Diesel Particulate Filter Outlet Temperature)........................................................................................................................................................................................................ 903 Overview....................................................................................................................................................................................................................................................... 906 Tools Required................................................................................................................................................................................................................................................. 906 SPN 3246 FMI 0 DPFOT above Critical Temperature................................................................................................................................................................................................................ 908 Fault Overview................................................................................................................................................................................................................................................. 908 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 908 Associated Faults.............................................................................................................................................................................................................................................. 908 Fault Facts.................................................................................................................................................................................................................................................... 908 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 908 Possible Causes................................................................................................................................................................................................................................................ 908 SPN 3246 FMI 2 DPFOT signal erratic, intermittent, or incorrect................................................................................................................................................................................................ 912 Fault Overview................................................................................................................................................................................................................................................. 912 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 912 Associated Faults.............................................................................................................................................................................................................................................. 912 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 912 Possible Causes................................................................................................................................................................................................................................................ 912 SPN 3246 FMI 3 DPFOT signal Out of Range HIGH.................................................................................................................................................................................................................. 914 Fault Overview................................................................................................................................................................................................................................................. 914 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 914 Associated Faults.............................................................................................................................................................................................................................................. 914 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 914 Possible Causes................................................................................................................................................................................................................................................ 914 SPN 3246 FMI 4 DPFOT signal Out of Range LOW................................................................................................................................................................................................................... 915 Fault Overview................................................................................................................................................................................................................................................. 915 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 915 Associated Faults.............................................................................................................................................................................................................................................. 915 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 915 Possible Causes................................................................................................................................................................................................................................................ 915 SPN 3246 FMI 15 DPFOT Above Warning Temperature................................................................................................................................................................................................................ 916 Fault Overview................................................................................................................................................................................................................................................. 916 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 916 Associated Faults.............................................................................................................................................................................................................................................. 916 Fault Facts.................................................................................................................................................................................................................................................... 916 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 916 Possible Causes................................................................................................................................................................................................................................................ 916 SPN 3246 FMI 16 DPFOT Above Maximum Temperature................................................................................................................................................................................................................ 920 Fault Overview................................................................................................................................................................................................................................................. 920 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 920 Associated Faults.............................................................................................................................................................................................................................................. 920 Fault Facts.................................................................................................................................................................................................................................................... 920 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 920 Possible Causes................................................................................................................................................................................................................................................ 920 DPF System (Diesel Particulate Filter)............................................................................................................................................................................................................................. 924 Overview....................................................................................................................................................................................................................................................... 927 Tools Required................................................................................................................................................................................................................................................. 927 SPN 3719 FMI 0- DPF Soot Load - Highest (level 3/3)............................................................................................................................................................................................................ 928 Fault Overview................................................................................................................................................................................................................................................. 928 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 928 Associated Faults.............................................................................................................................................................................................................................................. 928 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 928 Fault Facts.................................................................................................................................................................................................................................................... 928 Possible Causes................................................................................................................................................................................................................................................ 928 SPN 3719 FMI 15- DPF Soot Load - Lowest (level 1/3)............................................................................................................................................................................................................ 932 Fault Overview................................................................................................................................................................................................................................................. 932 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 932 Associated Faults.............................................................................................................................................................................................................................................. 932 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 932 Fault Facts.................................................................................................................................................................................................................................................... 932 Possible Causes................................................................................................................................................................................................................................................ 932 SPN 3719 FMI 16- DPF Soot Load - Moderate (level 2/3).......................................................................................................................................................................................................... 936 Fault Overview................................................................................................................................................................................................................................................. 936 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 936 Associated Faults.............................................................................................................................................................................................................................................. 936 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 936 Fault Facts.................................................................................................................................................................................................................................................... 936 Possible Causes................................................................................................................................................................................................................................................ 936 SPN 3936 FMI 0 DPF Soot Load - Severe De-Rate.................................................................................................................................................................................................................. 939 Fault Overview................................................................................................................................................................................................................................................. 939 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 939 Associated Faults.............................................................................................................................................................................................................................................. 940 Fault Facts.................................................................................................................................................................................................................................................... 940 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 940 Possible Causes................................................................................................................................................................................................................................................ 940 SPN 3936 FMI 7 DPF System - DPF exceeded maximum temperature threshold - replace DPF........................................................................................................................................................................... 944 Fault Overview................................................................................................................................................................................................................................................. 944 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 944 Associated Faults.............................................................................................................................................................................................................................................. 944 Fault Facts.................................................................................................................................................................................................................................................... 944 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 944 Possible Causes................................................................................................................................................................................................................................................ 944 SPN 3936 FMI 14 - DOC/DPF Temperature Module (Incorrect Part).................................................................................................................................................................................................. 947 Fault Overview................................................................................................................................................................................................................................................. 947 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 947 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 947 Possible Causes................................................................................................................................................................................................................................................ 947 SPN 3936 FMI 15 DPF System above Warning Pressure.............................................................................................................................................................................................................. 949 Fault Overview................................................................................................................................................................................................................................................. 949 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 949 Associated Faults.............................................................................................................................................................................................................................................. 949 Fault Facts.................................................................................................................................................................................................................................................... 949 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 949 Possible Causes................................................................................................................................................................................................................................................ 949 SPN 5319 FMI 31 - DPF Incomplete Regeneration.................................................................................................................................................................................................................. 953 Fault Overview................................................................................................................................................................................................................................................. 953 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 953 Associated Faults.............................................................................................................................................................................................................................................. 953 Fault Facts.................................................................................................................................................................................................................................................... 953 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 954 Possible Causes................................................................................................................................................................................................................................................ 955 SPN 5397 FMI 31 DPF Regenerations are Occurring too Frequently................................................................................................................................................................................................. 959 Fault Overview................................................................................................................................................................................................................................................. 959 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 959 Associated Faults.............................................................................................................................................................................................................................................. 959 Fault Facts.................................................................................................................................................................................................................................................... 959 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 960 Possible Causes................................................................................................................................................................................................................................................ 960 EBPV (Exhaust Back Pressure Valve)................................................................................................................................................................................................................................. 963 Overview....................................................................................................................................................................................................................................................... 964 Tools Required................................................................................................................................................................................................................................................. 964 SPN 5542 FMI 16 EBP Above Desired during CSER.................................................................................................................................................................................................................. 967 Fault Overview................................................................................................................................................................................................................................................. 967 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 967 Associated Faults.............................................................................................................................................................................................................................................. 967 Fault Facts.................................................................................................................................................................................................................................................... 967 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 967 Possible Causes................................................................................................................................................................................................................................................ 968 SPN 5542 FMI 18 EBP Below Desired during CSER.................................................................................................................................................................................................................. 970 Fault Overview................................................................................................................................................................................................................................................. 970 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 970 Associated Faults.............................................................................................................................................................................................................................................. 970 Fault Facts.................................................................................................................................................................................................................................................... 970 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 970 Possible Causes................................................................................................................................................................................................................................................ 970 ECB1 (Engine Compression Brake 1).................................................................................................................................................................................................................................. 973 Tools Required................................................................................................................................................................................................................................................. 973 ECB2 (Engine Compression Brake 2).................................................................................................................................................................................................................................. 976 Tools Required................................................................................................................................................................................................................................................. 976 ECL Switch (Engine Coolant Level).................................................................................................................................................................................................................................. 979 Tools Required................................................................................................................................................................................................................................................. 979 Step Based Diagnostics With ServiceMaxx™ Software.............................................................................................................................................................................................................. 980 ECM Power (Engine Control Module).................................................................................................................................................................................................................................. 981 Tools Required................................................................................................................................................................................................................................................. 982 ECM Power Output (Engine Control Module)........................................................................................................................................................................................................................... 983 Tools Required................................................................................................................................................................................................................................................. 983 SPN 3597 FMI 4 – ECM Power Output 1............................................................................................................................................................................................................................ 984 SPN 3598 FMI 4 – ECM Power Output 2............................................................................................................................................................................................................................ 985 SPN 3599 FMI 4 – ECM Power Output 3............................................................................................................................................................................................................................ 987 ECM (Engine Control Module)Self-Diagnostics........................................................................................................................................................................................................................ 988 Tools Required................................................................................................................................................................................................................................................. 988 Crank Sensor Relearn Procedure................................................................................................................................................................................................................................. 991 Tools Required................................................................................................................................................................................................................................................. 991 Function....................................................................................................................................................................................................................................................... 991 ECS (Engine Coolant System)........................................................................................................................................................................................................................................ 992 Overview....................................................................................................................................................................................................................................................... 992 Tools Required................................................................................................................................................................................................................................................. 992 SPN 110 FMI 17- Engine Coolant System below OBD monitoring temperature......................................................................................................................................................................................... 993 Fault Overview................................................................................................................................................................................................................................................. 993 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 993 Associated Faults.............................................................................................................................................................................................................................................. 993 Fault Facts.................................................................................................................................................................................................................................................... 993 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 993 Possible Causes................................................................................................................................................................................................................................................ 993 SPN 110 FMI 18- Engine Coolant System below closed loop minimum temperature.................................................................................................................................................................................... 995 Fault Overview................................................................................................................................................................................................................................................. 995 Malfunction Indicator Lamp (MIL) Reaction...................................................................................................................................................................................................................... 995 Associated Faults.............................................................................................................................................................................................................................................. 995 Fault Facts.................................................................................................................................................................................................................................................... 995 Drive Cycle to Determine Fault Status.......................................................................................................................................................................................................................... 995 Possible Causes................................................................................................................................................................................................................................................ 995 Cold Soak Sensor Compare Check With ServiceMaxx™ Software...................................................................................................................................................................................................... 997 ECT1 Sensor (Engine Coolant Temperature 1)......................................................................................................................................................................................................................... 998 Overview....................................................................................................................................................................................................................................................... 999 Tools Required................................................................................................................................................................................................................................................. 999 SPN 110 FMI 2 - ECT1 signal erratic, intermittent, or incorrect................................................................................................................................................................................................1000 Fault Overview.................................................................................................................................................................................................................................................1000 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1000 Associated Faults..............................................................................................................................................................................................................................................1000 Fault Facts....................................................................................................................................................................................................................................................1000 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1000 Possible Causes................................................................................................................................................................................................................................................1000 Pinpoint Diagnostics With ServiceMaxx™ Software................................................................................................................................................................................................................1003 ECT2 Sensor (Engine Coolant Temperature 2).........................................................................................................................................................................................................................1005 Overview.......................................................................................................................................................................................................................................................1006 Tools Required.................................................................................................................................................................................................................................................1006 SPN 4076 FMI 2 ECT2 signal erratic, intermittent, or incorrect.................................................................................................................................................................................................1007 Fault Overview.................................................................................................................................................................................................................................................1007 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1007 Fault Facts....................................................................................................................................................................................................................................................1007 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1007 Possible Causes................................................................................................................................................................................................................................................1007 Pinpoint Diagnostics With ServiceMaxx™ Software................................................................................................................................................................................................................1009 EFC (Engine Fan Control)– Two Speed and Variable...................................................................................................................................................................................................................1011 Tools Required.................................................................................................................................................................................................................................................1012 Function Two-Speed EFC.........................................................................................................................................................................................................................................1012 Function Variable EFC..........................................................................................................................................................................................................................................1012 EFC – Two Speed Sensor Circuit Operation.......................................................................................................................................................................................................................1012 EFC – Variable Sensor Circuit Operation........................................................................................................................................................................................................................1013 EGRT Sensor (Exhaust Gas Recirculation Temperature)................................................................................................................................................................................................................1014 Tools Required.................................................................................................................................................................................................................................................1014 Pinpoint Diagnostics With ServiceMaxx™ Software................................................................................................................................................................................................................1016 EGR (Exhaust Gas Recirculation) Valve..............................................................................................................................................................................................................................1018 Overview.......................................................................................................................................................................................................................................................1020 Tools Required.................................................................................................................................................................................................................................................1020 SPN 27 FMI 0 - EGRP fault: over temperature....................................................................................................................................................................................................................1022 SPN 27 FMI 10 - EGRP sensor feedback deviation during CSER.....................................................................................................................................................................................................1023 Fault Overview.................................................................................................................................................................................................................................................1023 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1023 Associated Faults..............................................................................................................................................................................................................................................1023 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1023 Pinpoint Diagnostics With ServiceMaxx™ Software................................................................................................................................................................................................................1024 EGR (Exhaust Gas Recirculation) System Monitor.....................................................................................................................................................................................................................1027 Fault Overview.................................................................................................................................................................................................................................................1027 Tools Required.................................................................................................................................................................................................................................................1027 SPN 3058 FMI 10 - Engine Did Not Go Into Closed Loop EGR Control When Expected.................................................................................................................................................................................1028 Fault Overview.................................................................................................................................................................................................................................................1028 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1028 Associated Faults..............................................................................................................................................................................................................................................1028 EOL Sensor (Engine Oil Level)......................................................................................................................................................................................................................................1031 Tools Required.................................................................................................................................................................................................................................................1032 Pinpoint Diagnostics With ServiceMaxx™ Software................................................................................................................................................................................................................1033 EOP Sensor (Engine Oil Pressure)...................................................................................................................................................................................................................................1035 Tools Required.................................................................................................................................................................................................................................................1035 Pinpoint Diagnostics With ServiceMaxx™ Software................................................................................................................................................................................................................1036 EOT Sensor (Engine Oil Temperature)................................................................................................................................................................................................................................1038 Tools Required.................................................................................................................................................................................................................................................1038 Pinpoint Diagnostics With ServiceMaxx™ Software................................................................................................................................................................................................................1039 ETV (Engine Throttle Valve)........................................................................................................................................................................................................................................1041 Overview.......................................................................................................................................................................................................................................................1042 Tools Required.................................................................................................................................................................................................................................................1042 Pinpoint Diagnostics With ServiceMaxx™ Software................................................................................................................................................................................................................1043 SPN 51 FMI 10 - ETP sensor feedback deviation during CSER......................................................................................................................................................................................................1046 Fault Overview.................................................................................................................................................................................................................................................1046 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1046 Associated Faults..............................................................................................................................................................................................................................................1046 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1046 EWPS (Engine Warning Protection System) ...........................................................................................................................................................................................................................1048 Function.......................................................................................................................................................................................................................................................1053 EWPS Programmable Parameters...................................................................................................................................................................................................................................1054 Tools Required.................................................................................................................................................................................................................................................1054 SPN 110 FMI 0 - Engine Coolant System above Critical Temperature...............................................................................................................................................................................................1055 Fault Overview.................................................................................................................................................................................................................................................1055 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1055 Associated Faults..............................................................................................................................................................................................................................................1055 Fault Facts....................................................................................................................................................................................................................................................1055 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1055 Possible Causes................................................................................................................................................................................................................................................1055 SPN 110 FMI 11 - Event Logger, Coolant Temp Hot, Extreme.......................................................................................................................................................................................................1057 Fault Overview.................................................................................................................................................................................................................................................1057 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1057 Associated Faults..............................................................................................................................................................................................................................................1057 Fault Facts....................................................................................................................................................................................................................................................1057 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1057 SPN 110 FMI 15 - Engine Coolant System above Warning Temperature...............................................................................................................................................................................................1059 Fault Overview.................................................................................................................................................................................................................................................1059 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1059 Associated Faults..............................................................................................................................................................................................................................................1059 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1059 Possible Causes................................................................................................................................................................................................................................................1059 SPN 188 FMI 0 - Engine speed unable to achieve desired idle speed (too high)...................................................................................................................................................................................1061 Fault Overview.................................................................................................................................................................................................................................................1061 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1061 Associated Faults..............................................................................................................................................................................................................................................1061 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1061 Possible Cause.................................................................................................................................................................................................................................................1061 SPN 188 FMI 1 - Engine speed unable to achieve desired idle speed (too low)....................................................................................................................................................................................1063 Fault Overview.................................................................................................................................................................................................................................................1063 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1063 Associated Faults..............................................................................................................................................................................................................................................1063 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1063 Possible Causes................................................................................................................................................................................................................................................1063 SPN 188 FMI 15 - Engine speed during CSER unable to achieve desired idle speed (too high)......................................................................................................................................................................1066 Fault Overview.................................................................................................................................................................................................................................................1066 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1066 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1066 Possible Cause.................................................................................................................................................................................................................................................1066 SPN 188 FMI 16 - Engine unable to achieve desired speed: secondary fuel detected...............................................................................................................................................................................1068 Fault Overview.................................................................................................................................................................................................................................................1068 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1068 Associated Faults..............................................................................................................................................................................................................................................1068 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1068 Possible Causes................................................................................................................................................................................................................................................1068 SPN 188 FMI 17 - Engine speed during CSER unable to achieve desired idle speed (too low).......................................................................................................................................................................1070 Fault Overview.................................................................................................................................................................................................................................................1070 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1070 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1070 SPN 190 - FMI 0 - Engine Overspeed Most Severe level...........................................................................................................................................................................................................1072 Fault Overview.................................................................................................................................................................................................................................................1072 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1072 Before beginning diagnosis:....................................................................................................................................................................................................................................1072 SPN 731 FMI 16 - Knock detected: Cylinder Acceleration Above Normal............................................................................................................................................................................................1074 Fault Overview.................................................................................................................................................................................................................................................1074 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1074 Associated Faults..............................................................................................................................................................................................................................................1074 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1074 Possible Causes................................................................................................................................................................................................................................................1074 SPN 731 FMI 18 - Knock Detected: Unexpected Fueling without Demand.............................................................................................................................................................................................1076 Fault Overview.................................................................................................................................................................................................................................................1076 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1076 Associated Faults..............................................................................................................................................................................................................................................1076 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1076 Possible Causes................................................................................................................................................................................................................................................1076 SPN 2588 FMI 0 - Vehicle overspeed 1, event log, extreme.......................................................................................................................................................................................................1078 Fault Overview.................................................................................................................................................................................................................................................1078 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1078 Associated Faults..............................................................................................................................................................................................................................................1078 Fault Facts....................................................................................................................................................................................................................................................1078 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1078 Possible Causes................................................................................................................................................................................................................................................1078 SPN 2588 FMI 15 - Vehicle overspeed 1, event log, non extreme..................................................................................................................................................................................................1079 Fault Overview.................................................................................................................................................................................................................................................1079 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1079 Associated Faults..............................................................................................................................................................................................................................................1079 Fault Facts....................................................................................................................................................................................................................................................1079 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1079 Possible Causes................................................................................................................................................................................................................................................1079 SPN 2589 FMI 0 - Vehicle overspeed 2, event log, extreme.......................................................................................................................................................................................................1080 Fault Overview.................................................................................................................................................................................................................................................1080 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1080 Associated Faults..............................................................................................................................................................................................................................................1080 Fault Facts....................................................................................................................................................................................................................................................1080 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1080 Possible Causes................................................................................................................................................................................................................................................1080 SPN 2589 FMI 15 - Vehicle overspeed 2, event log, non extreme..................................................................................................................................................................................................1081 Fault Overview.................................................................................................................................................................................................................................................1081 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1081 Associated Faults..............................................................................................................................................................................................................................................1081 Fault Facts....................................................................................................................................................................................................................................................1081 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1081 Possible Causes................................................................................................................................................................................................................................................1081 SPN 5395 FMI 0 - Engine Unable to Achieve Desired Idle Torque (Too High).......................................................................................................................................................................................1082 Fault Overview.................................................................................................................................................................................................................................................1082 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1082 Associated Faults..............................................................................................................................................................................................................................................1082 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1082 Possible Causes................................................................................................................................................................................................................................................1082 SPN 5395 FMI 1 - Engine Unable to Achieve Desired Idle Torque (Too Low)........................................................................................................................................................................................1084 Fault Overview.................................................................................................................................................................................................................................................1084 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1084 Associated Faults..............................................................................................................................................................................................................................................1084 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1084 FDP Sensor (Fuel Delivery Pressure)................................................................................................................................................................................................................................1087 Overview.......................................................................................................................................................................................................................................................1088 Tools Required.................................................................................................................................................................................................................................................1088 SPN 94 FMI 0 - Fuel Delivery Pressure above Critical...........................................................................................................................................................................................................1090 Fault Overview.................................................................................................................................................................................................................................................1090 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1090 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1090 Possible Causes................................................................................................................................................................................................................................................1090 Pinpoint Diagnostics With ServiceMaxx™ Software................................................................................................................................................................................................................1093 FPCV (Fuel Pressure Control Valve).................................................................................................................................................................................................................................1096 Tools Required.................................................................................................................................................................................................................................................1096 Pinpoint Diagnostics With ServiceMaxx™ Software................................................................................................................................................................................................................1097 FRP Sensor (Fuel Rail Pressure)....................................................................................................................................................................................................................................1099 Overview.......................................................................................................................................................................................................................................................1100 Tools Required.................................................................................................................................................................................................................................................1100 Pinpoint Diagnostics With ServiceMaxx™ Software................................................................................................................................................................................................................1101 SPN 157 - FMI 20 FRP signal Drifted HIGH.......................................................................................................................................................................................................................1104 Fault Overview.................................................................................................................................................................................................................................................1104 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1104 Associated Faults..............................................................................................................................................................................................................................................1104 Drive Cycle....................................................................................................................................................................................................................................................1104 SPN 157 - FMI 21 FRP signal Drifted LOW........................................................................................................................................................................................................................1106 Fault Overview.................................................................................................................................................................................................................................................1106 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1106 Associated Faults..............................................................................................................................................................................................................................................1106 Drive Cycle....................................................................................................................................................................................................................................................1106 FRP (Fuel Rail Pressure) System....................................................................................................................................................................................................................................1108 Overview.......................................................................................................................................................................................................................................................1110 Tools Required.................................................................................................................................................................................................................................................1110 Pinpoint Diagnostics With ServiceMaxx™ Software................................................................................................................................................................................................................1112 SPN 3055 FMI 0 - FRP Exceeded Maximum..........................................................................................................................................................................................................................1113 Fault Overview.................................................................................................................................................................................................................................................1113 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1113 Associated Faults..............................................................................................................................................................................................................................................1113 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1113 Possible Causes................................................................................................................................................................................................................................................1113 SPN 3055 FMI 1 - Low Fuel Pressure at Start....................................................................................................................................................................................................................1115 Fault Overview.................................................................................................................................................................................................................................................1115 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1115 Associated Faults..............................................................................................................................................................................................................................................1115 Fault Facts....................................................................................................................................................................................................................................................1115 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1115 Possible Causes................................................................................................................................................................................................................................................1115 SPN 3055 FMI 15 - FRP Below Minimum with Maximum Command.......................................................................................................................................................................................................1119 Fault Overview.................................................................................................................................................................................................................................................1119 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1119 Associated Faults..............................................................................................................................................................................................................................................1119 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1119 Possible Causes................................................................................................................................................................................................................................................1119 SPN 3055 FMI 17 - FRP Above Maximum with Minimum Command.......................................................................................................................................................................................................1123 Fault Overview.................................................................................................................................................................................................................................................1123 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1123 Associated Faults..............................................................................................................................................................................................................................................1123 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1123 Possible Causes................................................................................................................................................................................................................................................1123 Fuel Level.........................................................................................................................................................................................................................................................1125 Overview.......................................................................................................................................................................................................................................................1125 Tools Required.................................................................................................................................................................................................................................................1125 SPN 96 FMI 3- Fuel Level signal Out of Range HIGH (Open or high resistance)....................................................................................................................................................................................1126 Fault Overview.................................................................................................................................................................................................................................................1126 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1126 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1126 Possible Causes................................................................................................................................................................................................................................................1126 SPN 96 FMI 4 - Fuel Level signal Out of Range LOW..............................................................................................................................................................................................................1127 Fault Overview.................................................................................................................................................................................................................................................1127 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1127 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1127 Possible Causes................................................................................................................................................................................................................................................1127 SPN 96 FMI 19 - Fuel Level not detected on J1939...............................................................................................................................................................................................................1128 Fault Overview.................................................................................................................................................................................................................................................1128 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1128 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1128 Possible Causes................................................................................................................................................................................................................................................1128 Hard Brake Monitor.................................................................................................................................................................................................................................................1129 Overview.......................................................................................................................................................................................................................................................1129 Tools Required.................................................................................................................................................................................................................................................1129 Pinpoint Diagnostics With ServiceMaxx™ Software................................................................................................................................................................................................................1129 HS (Humidity Sensor) / IAT (Inlet Air Temperature Sensor)..........................................................................................................................................................................................................1130 Tools Required.................................................................................................................................................................................................................................................1131 Pinpoint Diagnostics With ServiceMaxx™ Software................................................................................................................................................................................................................1131 IMP (Intake Manifold Pressure).....................................................................................................................................................................................................................................1134 Overview.......................................................................................................................................................................................................................................................1135 Tools Required.................................................................................................................................................................................................................................................1135 Pinpoint Diagnostics With ServiceMaxx™ Software................................................................................................................................................................................................................1136 SPN 102 - FMI 10 IMP - Boost Slow Response.....................................................................................................................................................................................................................1139 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1139 Associated Faults..............................................................................................................................................................................................................................................1139 Drive Cycle....................................................................................................................................................................................................................................................1139 IMT Sensor (Intake Manifold Temperature)...........................................................................................................................................................................................................................1143 Tools Required.................................................................................................................................................................................................................................................1143 Pinpoint Diagnostics With ServiceMaxx™ Software................................................................................................................................................................................................................1144 INJ (Injector) Circuits...........................................................................................................................................................................................................................................1147 Overview.......................................................................................................................................................................................................................................................1152 Tools Required.................................................................................................................................................................................................................................................1152 SPN 651 FMI 4- Injector 1 short circuit........................................................................................................................................................................................................................1154 Fault Overview.................................................................................................................................................................................................................................................1154 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1154 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1154 Possible Causes................................................................................................................................................................................................................................................1154 SPN 651 FMI 5- Injector 1 Open load / circuit..................................................................................................................................................................................................................1158 Fault Overview.................................................................................................................................................................................................................................................1158 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1158 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1158 Possible Causes................................................................................................................................................................................................................................................1158 SPN 652 FMI 4- Injector 2 short circuit........................................................................................................................................................................................................................1162 Fault Overview.................................................................................................................................................................................................................................................1162 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1162 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1162 Possible Causes................................................................................................................................................................................................................................................1162 SPN 652 FMI 5- Injector 2 Open load / circuit..................................................................................................................................................................................................................1166 Fault Overview.................................................................................................................................................................................................................................................1166 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1166 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1166 Possible Causes................................................................................................................................................................................................................................................1166 SPN 653 FMI 4- Injector 3 short circuit........................................................................................................................................................................................................................1170 Fault Overview.................................................................................................................................................................................................................................................1170 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1170 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1170 Possible Causes................................................................................................................................................................................................................................................1170 SPN 653 FMI 5- Injector 3 Open load / circuit..................................................................................................................................................................................................................1174 Fault Overview.................................................................................................................................................................................................................................................1174 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1174 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1174 Possible Causes................................................................................................................................................................................................................................................1174 SPN 654 FMI 4- Injector 4 short circuit........................................................................................................................................................................................................................1178 Fault Overview.................................................................................................................................................................................................................................................1178 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1178 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1178 Possible Causes................................................................................................................................................................................................................................................1178 SPN 654 FMI 5- Injector 4 Open load / circuit..................................................................................................................................................................................................................1182 Fault Overview.................................................................................................................................................................................................................................................1182 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1182 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1182 Possible Causes................................................................................................................................................................................................................................................1182 SPN 655 FMI 4- Injector 5 short circuit........................................................................................................................................................................................................................1186 Fault Overview.................................................................................................................................................................................................................................................1186 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1186 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1186 Possible Causes................................................................................................................................................................................................................................................1186 SPN 655 FMI 5- Injector 5 Open load / circuit..................................................................................................................................................................................................................1190 Fault Overview.................................................................................................................................................................................................................................................1190 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1190 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1190 Possible Causes................................................................................................................................................................................................................................................1190 SPN 656 FMI 4- Injector 6 short circuit........................................................................................................................................................................................................................1194 Fault Overview.................................................................................................................................................................................................................................................1194 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1194 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1194 Possible Causes................................................................................................................................................................................................................................................1194 SPN 656 FMI 5- Injector 6 Open load / circuit..................................................................................................................................................................................................................1198 Fault Overview.................................................................................................................................................................................................................................................1198 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1198 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1198 Possible Causes................................................................................................................................................................................................................................................1198 SPN 2797 FMI 11 - Injector Control Group 1 short circuit (INJ 1, 3, 5).........................................................................................................................................................................................1202 Fault Overview.................................................................................................................................................................................................................................................1202 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1202 Associated Faults..............................................................................................................................................................................................................................................1202 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1202 Possible Causes................................................................................................................................................................................................................................................1203 SPN 2798 FMI 11 - Injector Control Group 2 short circuit (INJ 2, 4, 6).........................................................................................................................................................................................1212 Fault Overview.................................................................................................................................................................................................................................................1212 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1212 Associated Faults..............................................................................................................................................................................................................................................1212 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1212 Possible Causes................................................................................................................................................................................................................................................1213 J1939 Data Link Communications.....................................................................................................................................................................................................................................1222 Overview.......................................................................................................................................................................................................................................................1225 Tools Required.................................................................................................................................................................................................................................................1225 Pinpoint Diagnostics With ServiceMaxx™ Software................................................................................................................................................................................................................1228 SPN 609 FMI 19 - ACM not detected on J1939.....................................................................................................................................................................................................................1229 Fault Overview.................................................................................................................................................................................................................................................1229 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1229 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1229 Possible Causes................................................................................................................................................................................................................................................1229 SPN 3695 FMI 19 - DPF Regen Inhibit Switch status not detected on J1939........................................................................................................................................................................................1236 Fault Overview.................................................................................................................................................................................................................................................1236 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1236 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1236 Possible Causes................................................................................................................................................................................................................................................1236 SPN 3696 FMI 19 - DPF Parked Regen Switch status not detected on J1939.........................................................................................................................................................................................1237 Fault Overview.................................................................................................................................................................................................................................................1237 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1237 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1237 Possible Causes................................................................................................................................................................................................................................................1237 SPN 4360 FMI 19 - SCRIT not detected on J1939..................................................................................................................................................................................................................1239 Fault Overview.................................................................................................................................................................................................................................................1239 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1239 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1239 Possible Cause.................................................................................................................................................................................................................................................1240 SPN 4363 FMI 19 - SCROT not detected on J1939..................................................................................................................................................................................................................1243 Fault Overview.................................................................................................................................................................................................................................................1243 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1243 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1243 Possible Cause.................................................................................................................................................................................................................................................1244 SPN 4377 FMI 19- NH3 signal not detected on J1939..............................................................................................................................................................................................................1247 Fault Overview.................................................................................................................................................................................................................................................1247 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1247 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1247 Possible Causes................................................................................................................................................................................................................................................1248 SPN 5742 FMI 19 - DOC / DPF Temperature Sensor Module signal not detected on J1939.............................................................................................................................................................................1252 Fault Overview.................................................................................................................................................................................................................................................1252 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1252 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1252 Possible Cause.................................................................................................................................................................................................................................................1253 SPN 5743 FMI 19 - SCR Temperature Sensor Module signal not detected on J1939...................................................................................................................................................................................1256 Fault Overview.................................................................................................................................................................................................................................................1256 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1256 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1256 Possible Cause.................................................................................................................................................................................................................................................1257 MIL (Malfunction Indicator Lamp)...................................................................................................................................................................................................................................1260 Overview.......................................................................................................................................................................................................................................................1260 Tools Required.................................................................................................................................................................................................................................................1260 NOx (Nitrogen Oxides) IN Sensor Module.............................................................................................................................................................................................................................1262 Overview.......................................................................................................................................................................................................................................................1264 Tools Required.................................................................................................................................................................................................................................................1264 SPN 3216 FMI 2 - NOx IN signal erratic, intermittent or incorrect..............................................................................................................................................................................................1268 Fault Overview.................................................................................................................................................................................................................................................1268 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1268 Associated Faults..............................................................................................................................................................................................................................................1268 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1268 SPN 3216 FMI 4 - NOx IN signal Out of Range LOW................................................................................................................................................................................................................1272 Fault Overview.................................................................................................................................................................................................................................................1272 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1272 Associated Faults..............................................................................................................................................................................................................................................1272 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1272 SPN 3216 FMI 10 - NOx IN signal abnormal rate of change........................................................................................................................................................................................................1274 Fault Overview.................................................................................................................................................................................................................................................1274 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1274 Associated Faults..............................................................................................................................................................................................................................................1274 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1274 SPN 3216 FMI 13 - NOx IN Out of Calibration....................................................................................................................................................................................................................1276 Fault Overview.................................................................................................................................................................................................................................................1276 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1276 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1276 SPN 3216 FMI 19 - NOx IN not detected on J1939.................................................................................................................................................................................................................1278 Fault Overview.................................................................................................................................................................................................................................................1278 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1278 Associated Faults..............................................................................................................................................................................................................................................1278 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1278 Possible Causes................................................................................................................................................................................................................................................1279 SPN 3216 FMI 20 - NOx IN signal drifted HIGH...................................................................................................................................................................................................................1282 Fault Overview.................................................................................................................................................................................................................................................1282 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1282 Associated Faults..............................................................................................................................................................................................................................................1282 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1282 SPN 3216 FMI 21 - NOx IN signal drifted LOW....................................................................................................................................................................................................................1285 Fault Overview.................................................................................................................................................................................................................................................1285 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1285 Associated Faults..............................................................................................................................................................................................................................................1285 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1285 SPN 3218 FMI 2 - NOx IN power supply signal erratic, intermittent or incorrect.................................................................................................................................................................................1288 Fault Overview.................................................................................................................................................................................................................................................1288 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1288 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1288 SPN 5024 FMI 10- NOx IN sensor heater abnormal rate of change..................................................................................................................................................................................................1292 Fault Overview.................................................................................................................................................................................................................................................1292 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1292 Associated Faults..............................................................................................................................................................................................................................................1292 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1292 Possible Causes................................................................................................................................................................................................................................................1293 NOx (Nitrogen Oxides) OUT Sensor Module............................................................................................................................................................................................................................1296 Overview.......................................................................................................................................................................................................................................................1298 Tools Required.................................................................................................................................................................................................................................................1299 SPN 3226 FMI 2 - NOx OUT signal erratic, intermittent or incorrect.............................................................................................................................................................................................1301 Fault Overview.................................................................................................................................................................................................................................................1301 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1301 Associated Faults..............................................................................................................................................................................................................................................1301 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1301 SPN 3226 FMI 4- NOx OUT signal Out of Range LOW................................................................................................................................................................................................................1305 Fault Overview.................................................................................................................................................................................................................................................1305 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1305 Associated Faults..............................................................................................................................................................................................................................................1305 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1305 SPN 3226 FMI 10 - NOx OUT signal abnormal rate of change.......................................................................................................................................................................................................1307 Fault Overview.................................................................................................................................................................................................................................................1307 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1307 Associated Faults..............................................................................................................................................................................................................................................1307 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1307 SPN 3226 FMI 13 - NOx OUT Out of Calibration...................................................................................................................................................................................................................1309 Fault Overview.................................................................................................................................................................................................................................................1309 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1309 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1309 SPN 3226 FMI 19 - NOx OUT Out not detected on J1939............................................................................................................................................................................................................1311 Fault Overview.................................................................................................................................................................................................................................................1311 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1311 Possible Causes................................................................................................................................................................................................................................................1312 SPN 3226 FMI 20 - NOx OUT signal drifted HIGH..................................................................................................................................................................................................................1315 Fault Overview.................................................................................................................................................................................................................................................1315 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1315 Associated Faults..............................................................................................................................................................................................................................................1315 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1315 SPN 3226 FMI 21 - NOx OUT signal drifted LOW...................................................................................................................................................................................................................1318 Fault Overview.................................................................................................................................................................................................................................................1318 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1318 Associated Faults..............................................................................................................................................................................................................................................1318 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1318 SPN 3228 FMI 2 - NOx OUT power supply signal erratic, intermittent or incorrect................................................................................................................................................................................1320 Fault Overview.................................................................................................................................................................................................................................................1320 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1320 Associated Faults..............................................................................................................................................................................................................................................1320 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1320 SPN 5031 FMI 10 - NOx OUT sensor heater not reading correctly..................................................................................................................................................................................................1323 Fault Overview.................................................................................................................................................................................................................................................1323 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1323 Associated Faults..............................................................................................................................................................................................................................................1323 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1323 Possible Causes................................................................................................................................................................................................................................................1324 O2S (Oxygen Sensor)................................................................................................................................................................................................................................................1327 Overview.......................................................................................................................................................................................................................................................1329 Tools Required.................................................................................................................................................................................................................................................1330 Pinpoint Diagnostics With ServiceMaxx™ Software................................................................................................................................................................................................................1331 SPN 724 FMI 20 – O2S adaptation above maximum limit............................................................................................................................................................................................................1333 Fault Overview.................................................................................................................................................................................................................................................1333 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1333 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1333 Possible Causes................................................................................................................................................................................................................................................1333 SPN 724 FMI 21 – O2S adaptation below minimum limit............................................................................................................................................................................................................1336 SPN 3223 FMI 0 - O2S Heater Temperature Above Maximum..........................................................................................................................................................................................................1337 Fault Overview.................................................................................................................................................................................................................................................1337 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1337 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1337 SPN 3223 FMI 5 – O2S heater open load / circuit................................................................................................................................................................................................................1339 Fault Overview.................................................................................................................................................................................................................................................1339 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1339 Associated Faults..............................................................................................................................................................................................................................................1339 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1339 Possible Causes................................................................................................................................................................................................................................................1339 Pinpoint O2S System Fault .....................................................................................................................................................................................................................................1342 RAPP (Remote Accelerator Pedal Position) ..........................................................................................................................................................................................................................1343 Overview.......................................................................................................................................................................................................................................................1343 Tools Required.................................................................................................................................................................................................................................................1343 SCR Temperature Sensor Module......................................................................................................................................................................................................................................1345 Overview.......................................................................................................................................................................................................................................................1346 Tools Required.................................................................................................................................................................................................................................................1346 SPN 5743 FMI 3 - SCR Temperature Sensor Module Out of Range HIGH...............................................................................................................................................................................................1348 Fault Overview.................................................................................................................................................................................................................................................1348 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1348 Associated Faults..............................................................................................................................................................................................................................................1348 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1348 Possible Causes................................................................................................................................................................................................................................................1349 SPN 5743 FMI 4 - SCR Temperature Sensor Module Out of Range LOW................................................................................................................................................................................................1351 Fault Overview.................................................................................................................................................................................................................................................1351 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1351 Associated Faults..............................................................................................................................................................................................................................................1351 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1351 Possible Causes................................................................................................................................................................................................................................................1352 SPN 5743 FMI 11 - SCR Temperature Sensor Module signal erratic, intermittent, or incorrect.....................................................................................................................................................................1354 Fault Overview.................................................................................................................................................................................................................................................1354 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1354 Associated Faults..............................................................................................................................................................................................................................................1354 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1354 Possible Causes................................................................................................................................................................................................................................................1355 SPN 5743 FMI 16 - SCR Temperature Sensor Module above Maximum Temperature......................................................................................................................................................................................1357 Fault Overview.................................................................................................................................................................................................................................................1357 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1357 Fault Facts....................................................................................................................................................................................................................................................1357 Associated Faults..............................................................................................................................................................................................................................................1357 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1357 Possible Causes................................................................................................................................................................................................................................................1357 Possible Causes................................................................................................................................................................................................................................................1358 SCRIT (Selective Catalyst Reduction Inlet Temperature) Sensor......................................................................................................................................................................................................1360 Overview.......................................................................................................................................................................................................................................................1362 Tools Required.................................................................................................................................................................................................................................................1362 SPN 4360 FMI 0- SCRIT above Critical Temperature...............................................................................................................................................................................................................1363 Fault Overview.................................................................................................................................................................................................................................................1363 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1363 Associated Faults..............................................................................................................................................................................................................................................1363 Fault Fact.....................................................................................................................................................................................................................................................1363 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1363 Possible Causes................................................................................................................................................................................................................................................1363 SPN 4360 FMI 2- SCRIT signal erratic, intermittent, or incorrect ..............................................................................................................................................................................................1367 Fault Overview.................................................................................................................................................................................................................................................1367 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1367 Associated Faults..............................................................................................................................................................................................................................................1367 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1368 Possible Causes................................................................................................................................................................................................................................................1368 SPN 4360 FMI 3- SCRIT signal Out of Range HIGH.................................................................................................................................................................................................................1369 Fault Overview.................................................................................................................................................................................................................................................1369 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1369 Associated Faults..............................................................................................................................................................................................................................................1369 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1369 Possible Causes................................................................................................................................................................................................................................................1369 SPN 4360 FMI 4- SCRIT signal Out of Range LOW..................................................................................................................................................................................................................1370 Fault Overview.................................................................................................................................................................................................................................................1370 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1370 Associated Faults..............................................................................................................................................................................................................................................1370 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1370 Possible Causes................................................................................................................................................................................................................................................1370 SPN 4360 FMI 15- SCRIT Above Warning Temperature ..............................................................................................................................................................................................................1371 Fault Overview.................................................................................................................................................................................................................................................1371 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1371 Associated Faults..............................................................................................................................................................................................................................................1371 Fault Fact.....................................................................................................................................................................................................................................................1371 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1371 Possible Causes................................................................................................................................................................................................................................................1371 SPN 4360 FMI 16- SCRIT Above Maximum Temperature ..............................................................................................................................................................................................................1375 Fault Overview.................................................................................................................................................................................................................................................1375 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1375 Associated Faults..............................................................................................................................................................................................................................................1375 Fault Fact.....................................................................................................................................................................................................................................................1375 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1375 Possible Causes................................................................................................................................................................................................................................................1375 SCROT (Selective Catalyst Reduction Outlet Temperature) Sensor.....................................................................................................................................................................................................1379 Overview.......................................................................................................................................................................................................................................................1381 Tools Required.................................................................................................................................................................................................................................................1382 SPN 4363 FMI 0 SCROT Above Critical Temperature................................................................................................................................................................................................................1383 Fault Overview.................................................................................................................................................................................................................................................1383 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1383 Associated Faults..............................................................................................................................................................................................................................................1383 Fault Facts....................................................................................................................................................................................................................................................1383 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1383 Possible Causes................................................................................................................................................................................................................................................1383 SPN 4363 FMI 2 SCROT signal erratic, intermittent, or incorrect................................................................................................................................................................................................1388 Fault Overview.................................................................................................................................................................................................................................................1388 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1388 Associated Faults..............................................................................................................................................................................................................................................1388 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1388 Possible Causes................................................................................................................................................................................................................................................1388 SPN 4363 FMI 3 SCROT signal Out of Range HIGH..................................................................................................................................................................................................................1390 Fault Overview.................................................................................................................................................................................................................................................1390 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1390 Associated Faults..............................................................................................................................................................................................................................................1390 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1390 Possible Causes................................................................................................................................................................................................................................................1390 SPN 4363 FMI 4 SCROT signal Out of Range LOW...................................................................................................................................................................................................................1391 Fault Overview.................................................................................................................................................................................................................................................1391 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1391 Associated Faults..............................................................................................................................................................................................................................................1391 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1391 Possible Causes................................................................................................................................................................................................................................................1391 SPN 4363 FMI 15 SCROT Above Warning Temperature................................................................................................................................................................................................................1393 Fault Overview.................................................................................................................................................................................................................................................1393 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1393 Associated Faults..............................................................................................................................................................................................................................................1393 Fault Facts....................................................................................................................................................................................................................................................1393 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1393 Possible Causes................................................................................................................................................................................................................................................1393 SPN 4363 FMI 16 SCROT Above Maximum Temperature................................................................................................................................................................................................................1397 Fault Overview.................................................................................................................................................................................................................................................1397 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1397 Associated Faults..............................................................................................................................................................................................................................................1397 Fault Facts....................................................................................................................................................................................................................................................1397 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1397 Possible Causes................................................................................................................................................................................................................................................1397 Service Interval Messages..........................................................................................................................................................................................................................................1402 Service Interval Messages Operation............................................................................................................................................................................................................................1402 TC1TOP Sensor (Turbocharger 1 Turbine Outlet Pressure).............................................................................................................................................................................................................1403 Tools Required.................................................................................................................................................................................................................................................1403 Pinpoint Diagnostics With ServiceMaxx™ Software................................................................................................................................................................................................................1404 TC2WC (Turbocharger 2 Wastegate Control)...........................................................................................................................................................................................................................1408 Tools Required.................................................................................................................................................................................................................................................1408 TC2CIS (Turbocharger 2 Compressor Inlet Sensor)....................................................................................................................................................................................................................1411 Overview.......................................................................................................................................................................................................................................................1412 Tools Required.................................................................................................................................................................................................................................................1412 SPN 1173 FMI 2 - TC2CIT signal erratic, intermittent, or incorrect.............................................................................................................................................................................................1414 Fault Overview.................................................................................................................................................................................................................................................1414 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1414 Associated Faults..............................................................................................................................................................................................................................................1414 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1414 Possible Causes................................................................................................................................................................................................................................................1414 SPN 1173 FMI 3 - TC2CIT signal Out of Range HIGH...............................................................................................................................................................................................................1417 Fault Overview.................................................................................................................................................................................................................................................1417 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1417 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1417 Possible Causes................................................................................................................................................................................................................................................1417 SPN 1173 FMI 4 - TC2CIT signal Out of Range LOW................................................................................................................................................................................................................1420 Fault Overview.................................................................................................................................................................................................................................................1420 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1420 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1420 Possible Causes................................................................................................................................................................................................................................................1420 SPN 1173 FMI 16 - TC2CIT signal above desired (Interstage CAC under cooling)...................................................................................................................................................................................1422 Fault Overview.................................................................................................................................................................................................................................................1422 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1422 Associated Faults..............................................................................................................................................................................................................................................1422 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1422 Possible Causes................................................................................................................................................................................................................................................1422 SPN 1177 FMI 2 - TC2CIP signal erratic, intermittent, or incorrect.............................................................................................................................................................................................1425 Fault Overview.................................................................................................................................................................................................................................................1425 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1425 Associated Faults..............................................................................................................................................................................................................................................1425 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1425 Possible Causes................................................................................................................................................................................................................................................1425 SPN 1177 FMI 3 - TC2CIP signal Out of Range HIGH...............................................................................................................................................................................................................1427 Fault Overview.................................................................................................................................................................................................................................................1427 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1427 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1427 Possible Causes................................................................................................................................................................................................................................................1427 SPN 1177 FMI 4 - TC2CIP signal Out of Range LOW................................................................................................................................................................................................................1430 Fault Overview.................................................................................................................................................................................................................................................1430 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1430 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1430 Possible Causes................................................................................................................................................................................................................................................1430 TOSS / VSS (Transmission Output Shaft Speed / Vehicle Speed Sensor) Sensor.........................................................................................................................................................................................1432 Overview.......................................................................................................................................................................................................................................................1434 Tools Required.................................................................................................................................................................................................................................................1434 Pinpoint Diagnostics With ServiceMaxx™ Software................................................................................................................................................................................................................1435 SPN 191 FMI 1 TOSS / VSS not detected while vehicle moving.....................................................................................................................................................................................................1437 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1437 Drive Cycle to Determine Fault Status..........................................................................................................................................................................................................................1437 SPN 191 FMI 16.................................................................................................................................................................................................................................................1440 Overview.......................................................................................................................................................................................................................................................1440 VREF (Voltage Reference)...........................................................................................................................................................................................................................................1441 Tools Required.................................................................................................................................................................................................................................................1442 WIF Sensor (Water In Fuel).........................................................................................................................................................................................................................................1448 Tools Required.................................................................................................................................................................................................................................................1448 Pinpoint Diagnostics With ServiceMaxx™ Software................................................................................................................................................................................................................1449 WTSL (Wait to Start Lamp)..........................................................................................................................................................................................................................................1451 Overview.......................................................................................................................................................................................................................................................1451 Tools Required.................................................................................................................................................................................................................................................1451 SPN 1081 - FMI 3 - WTSL circuit short to PWR...................................................................................................................................................................................................................1453 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1453 SPN 1081 - FMI 4 - WTSL circuit short to GND...................................................................................................................................................................................................................1455 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1455 SPN 1081 - FMI 5- WTSL open load / circuit.....................................................................................................................................................................................................................1457 Malfunction Indicator Lamp (MIL) Reaction......................................................................................................................................................................................................................1457 Table of Contents..........................................................................................................................................................................................................................................................1459 Electrical Tools.......................................................................................................................................................................................................................................................1461 180-Pin Breakout Box...............................................................................................................................................................................................................................................1461 2010 MaxxForce 11 & 13 Harness Kit ................................................................................................................................................................................................................................1462 3-Banana Plug Harness ZTSE4498.....................................................................................................................................................................................................................................1462 500-Ohm Resistor Harness ZTSE4497..................................................................................................................................................................................................................................1462 International® Electronic Engine Terminal Test Kit.................................................................................................................................................................................................................1463 Big Bore Terminal Test Probe Kit...................................................................................................................................................................................................................................1464 Digital Multimeter (DMM) ZTSE4357..................................................................................................................................................................................................................................1465 Amp Clamp..........................................................................................................................................................................................................................................................1466 EXP-1000 HD by Midtronics..........................................................................................................................................................................................................................................1467 EZ-Tech® Electronic Service Tool (EST).............................................................................................................................................................................................................................1468 ServiceMaxx™ Software..........................................................................................................................................................................................................................................1468 Interface cable (RP1210B compliant supporting J1939 and J1708).....................................................................................................................................................................................................1468 Breakout Harness 4485A (APP).......................................................................................................................................................................................................................................1469 Breakout Harness 4735A (O2S).......................................................................................................................................................................................................................................1469 Breakout Harness 4760A (AFTFSV, AFTPAV, AFTFI and EGRT)............................................................................................................................................................................................................1470 Breakout Harness 4827 (DEFTHC, IAHFS, ECT1, ECT2, EOL, and EOT)....................................................................................................................................................................................................1470 Breakout Harness 4828 (FPCV and DEFDV).............................................................................................................................................................................................................................1471 Breakout Harness 4829 (FRP)........................................................................................................................................................................................................................................1471 Breakout Harness 4830 (HS/IAT and TC2CIS)..........................................................................................................................................................................................................................1472 Breakout Harness 4844 (EFAN).......................................................................................................................................................................................................................................1472 Breakout Harness 4845..............................................................................................................................................................................................................................................1473 Breakout Harness 4850 (IMP)........................................................................................................................................................................................................................................1473 Breakout Harness 4870 (CMV)........................................................................................................................................................................................................................................1474 Breakout Harness 4871 (AAT and CFV)................................................................................................................................................................................................................................1474 Breakout Harness 4881 (FDP)........................................................................................................................................................................................................................................1475 Breakout Harness 4882 (EOP)........................................................................................................................................................................................................................................1475 Breakout Harness 4883 (IMT)........................................................................................................................................................................................................................................1476 Breakout Harness 4885 (IAHR).......................................................................................................................................................................................................................................1476 Breakout Harness 4908..............................................................................................................................................................................................................................................1477 Breakout Harness 4951 (CCOSS)......................................................................................................................................................................................................................................1477 Breakout Harness 4993 (CACOT)......................................................................................................................................................................................................................................1478 Breakout Harness 6002 (WIF)........................................................................................................................................................................................................................................1478 Breakout Harness 6003 (EBPV, TC1TOP, and TC2WC)....................................................................................................................................................................................................................1478 Breakout Harness 6004 (ECB)........................................................................................................................................................................................................................................1479 Breakout Harness 6016 (ETV and EGR Valve)..........................................................................................................................................................................................................................1479 Breakout Harness 6021 (CKP and CMP)................................................................................................................................................................................................................................1480 Breakout Harness 12-574-01 (8-way DPF Jumper)......................................................................................................................................................................................................................1480 Breakout Harness 12-575-01 (DPF Differential Pressure / Outlet Pressure Sensor)....................................................................................................................................................................................1481 Breakout Harness 18-045-01 (DEF Suction Line Heater)...............................................................................................................................................................................................................1481 Breakout Harness 18-046-01 (DEF Return Line Heater)................................................................................................................................................................................................................1482 Breakout Harness 18-047-01 (DEF Pressure Line Heater)..............................................................................................................................................................................................................1482 Breakout Harness 18-050-01 (20-way DEF Harness Interconnect).......................................................................................................................................................................................................1484 Breakout Harness 18-124-01 (DEF Tank Level and Temperature Sensor).................................................................................................................................................................................................1484 Breakout Harness 18-250-01 (12-way SCR Jumper Harness).............................................................................................................................................................................................................1485 Breakout Harness 18-500-01 (12-way AFT Interconnect)...............................................................................................................................................................................................................1485 Breakout Harness 18-648-01 (NOx In Sensor Module and SCR Temperature Sensor Module)................................................................................................................................................................................1486 Breakout Harness 18-649-01 (NOx Out and DOC / DPF Temperature Sensor Module).......................................................................................................................................................................................1486 Breakout Harness 18-650-01 (Ammonia (NH3) Sensor)..................................................................................................................................................................................................................1488 Breakout Harness 18-801-01 (Ammonia (NH3) Sensor Module)...........................................................................................................................................................................................................1488 Breakout Harness 18-909-01 (DEF Supply Module).....................................................................................................................................................................................................................1489 Mechanical Tools.......................................................................................................................................................................................................................................................1490 Air Cap, Fuel Cap and Plug Kit.....................................................................................................................................................................................................................................1490 Air Compressor Coolant Line Release Tool...........................................................................................................................................................................................................................1490 Air Intake Guard...................................................................................................................................................................................................................................................1491 Blow-by Test Tool..................................................................................................................................................................................................................................................1492 Clean Fuel Source Tool.............................................................................................................................................................................................................................................1492 Inlet Air Heater Solenoid Test Adapter Kit.........................................................................................................................................................................................................................1493 Digital Manometer..................................................................................................................................................................................................................................................1494 EGR Cooler Leak Detection Test Kit.................................................................................................................................................................................................................................1495 Charge Air Cooler Test Kit.........................................................................................................................................................................................................................................1495 Digital IR Thermometer.............................................................................................................................................................................................................................................1496 Lash Gauge (0.50mm)................................................................................................................................................................................................................................................1496 Lash Gauge (0.80mm)................................................................................................................................................................................................................................................1497 Fuel Block Off Tool................................................................................................................................................................................................................................................1497 Fuel Injector Cups.................................................................................................................................................................................................................................................1498 Fuel Inlet Restriction and Aeration Tool...........................................................................................................................................................................................................................1498 Fuel Line Coupler..................................................................................................................................................................................................................................................1499 Fuel Line Disconnect Tool 11.8 mm..................................................................................................................................................................................................................................1499 Fuel Line Disconnect Tool 16 mm....................................................................................................................................................................................................................................1500 Fuel/Oil Pressure Test Coupler.....................................................................................................................................................................................................................................1500 Fuel Pressure Gauge................................................................................................................................................................................................................................................1501 High Pressure Rail Plugs...........................................................................................................................................................................................................................................1501 High Pressure Return Line Tester...................................................................................................................................................................................................................................1503 Pressure Test Kit..................................................................................................................................................................................................................................................1504 Radiator Pressure Test Kit.........................................................................................................................................................................................................................................1504 Slack Tube® Manometer..............................................................................................................................................................................................................................................1506 UV Leak Detection Kit..............................................................................................................................................................................................................................................1507 Vacuum Analyzer and Fuel Pump Tester...............................................................................................................................................................................................................................1508 Diesel Exhaust Fluid Refractometer.................................................................................................................................................................................................................................1508 Aftertreatment Injector Test Kit...................................................................................................................................................................................................................................1509 DEF Doser Valve Spray Test Kit.....................................................................................................................................................................................................................................1509 Pressure Gauge Adapter 18-538-01...................................................................................................................................................................................................................................1510 DEF Doser Cleaning Kit.............................................................................................................................................................................................................................................1510 Table of Contents..........................................................................................................................................................................................................................................................1511 Abbreviations and Acronyms.............................................................................................................................................................................................................................................1513 Table of Contents..........................................................................................................................................................................................................................................................1523 Terminology............................................................................................................................................................................................................................................................1525 Table of Contents..........................................................................................................................................................................................................................................................1537 the All Ratings........................................................................................................................................................................................................................................................1539 Navistar® N13 (12.4 L).................................................................................................................................................................................................................................................1546 410 hp @ 1700 rpm..................................................................................................................................................................................................................................................1546 430 hp @ 1700 rpm..................................................................................................................................................................................................................................................1547 450 hp @ 1700 rpm (Allison Automatic Transmission).................................................................................................................................................................................................................1548 450 hp @ 1700 rpm (Manual Transmission)............................................................................................................................................................................................................................1549 475 hp @ 1700 rpm..................................................................................................................................................................................................................................................1550 Table of Contents..........................................................................................................................................................................................................................................................1551 About the Breakout Box.................................................................................................................................................................................................................................................1553 Engine Control Module (ECM) Values.....................................................................................................................................................................................................................................1553 C1 Connector.......................................................................................................................................................................................................................................................1553 C2 Connector.......................................................................................................................................................................................................................................................1555 E1 Connector.......................................................................................................................................................................................................................................................1557 E2 Connector.......................................................................................................................................................................................................................................................1560 Aftertreatment Control Module (ACM) ...................................................................................................................................................................................................................................1561 J1 Connector.......................................................................................................................................................................................................................................................1561 J2 Connector.......................................................................................................................................................................................................................................................1563 Table of Contents..........................................................................................................................................................................................................................................................1565 Description............................................................................................................................................................................................................................................................1567 Table of Contents..........................................................................................................................................................................................................................................................1569 Top View...............................................................................................................................................................................................................................................................1571 Front View.............................................................................................................................................................................................................................................................1572 Left Side View.........................................................................................................................................................................................................................................................1573 Right Side View........................................................................................................................................................................................................................................................1574 Back View..............................................................................................................................................................................................................................................................1575 Component Locator Table................................................................................................................................................................................................................................................1576 tables............................................................................................................................................................................................................................................................................. 5 Technical Service Literature................................................................................................................................................................................................................................................... 5 Navistar® N13 Diesel Engine.................................................................................................................................................................................................................................................... 23 O2S Calibration Procedure – Using ServiceMaxx™ Software........................................................................................................................................................................................................................ 127 Possible Diagnostic Trouble Codes.............................................................................................................................................................................................................................................. 131 Engine Brake Solenoid Specifications........................................................................................................................................................................................................................................... 184 Engine Brake Oil Pressure Requirements......................................................................................................................................................................................................................................... 187 Normal fuel return flow with number of connected injectors..................................................................................................................................................................................................................... 235 Entry Conditions for an Active Regen........................................................................................................................................................................................................................................... 348 Entry Conditions for a Parked Regen............................................................................................................................................................................................................................................ 349 Exhaust Restriction Test....................................................................................................................................................................................................................................................... 350 Check Active Regen Inhibitors.................................................................................................................................................................................................................................................. 352 Check Parked Regen Inhibitors.................................................................................................................................................................................................................................................. 353 Parked Regen Checks............................................................................................................................................................................................................................................................ 354 SPN 102 FMI 16 – Intake Manifold Pressure Overboost ........................................................................................................................................................................................................................... 434 SPN 102 FMI 18 – Intake Manifold Pressure Underboost........................................................................................................................................................................................................................... 435 SPN 1173 FMI 16 – TC2CIT signal above desired (Interstage CAC under cooling)................................................................................................................................................................................................... 435 SPN 2659 FMI 21 – EGR Low Flow Rate detected................................................................................................................................................................................................................................... 436 Sensor Circuit Check........................................................................................................................................................................................................................................................... 443 Pinpoint Diagnostics Without ServiceMaxx™ Software............................................................................................................................................................................................................................. 444 Harness Resistance Check....................................................................................................................................................................................................................................................... 444 Operational Voltage Check...................................................................................................................................................................................................................................................... 445 SPN 2630 FMI 2 – CACOT signal erratic, intermittent or incorrect............................................................................................................................................................................................................... 485 Sensor Circuit Check With ServiceMaxx™ Software................................................................................................................................................................................................................................ 486 Connector Voltage Check Without ServiceMaxx™ Software.......................................................................................................................................................................................................................... 486 Harness Resistance Check....................................................................................................................................................................................................................................................... 486 Sensor Resistance Check........................................................................................................................................................................................................................................................ 491 Connector Voltage Check Without ServiceMaxx™ software.......................................................................................................................................................................................................................... 491 Harness Resistance Check....................................................................................................................................................................................................................................................... 491 Programmable Parameters........................................................................................................................................................................................................................................................ 493 Switch Checks.................................................................................................................................................................................................................................................................. 493 Connector Voltage Check........................................................................................................................................................................................................................................................ 494 Operational Voltage Check...................................................................................................................................................................................................................................................... 495 Actuator Resistance Check...................................................................................................................................................................................................................................................... 495 Harness Resistance Check....................................................................................................................................................................................................................................................... 495 Connector Voltage Check........................................................................................................................................................................................................................................................ 523 Operational Voltage Check...................................................................................................................................................................................................................................................... 523 Actuator Resistance Check...................................................................................................................................................................................................................................................... 523 Harness Resistance Check....................................................................................................................................................................................................................................................... 523 SPN 626 FMI 18 – Inlet Air Heater fault: Lack of heat in the Intake Manifold .................................................................................................................................................................................................. 531 Voltage Check on IAHFI - Actuator Test......................................................................................................................................................................................................................................... 531 Amperage Draw Check - Actuator Test............................................................................................................................................................................................................................................ 531 Voltage Checks on Relay Connector.............................................................................................................................................................................................................................................. 532 Voltage Checks on Relay - Actuator Test........................................................................................................................................................................................................................................ 533 IAHFI Resistance Check......................................................................................................................................................................................................................................................... 534 Harness Resistance Check....................................................................................................................................................................................................................................................... 534 Connector Voltage Check – IAHFS Disconnected................................................................................................................................................................................................................................... 536 Operational Voltage Check...................................................................................................................................................................................................................................................... 536 Actuator Resistance Check...................................................................................................................................................................................................................................................... 537 Harness Resistance Check....................................................................................................................................................................................................................................................... 537 Connector Voltage Check – EBPV Disconnected.................................................................................................................................................................................................................................... 965 Operational Voltage Check...................................................................................................................................................................................................................................................... 965 Actuator Resistance Check...................................................................................................................................................................................................................................................... 965 Harness Resistance Check....................................................................................................................................................................................................................................................... 966 Connector Voltage Check – ECB1 Disconnected.................................................................................................................................................................................................................................... 974 Operational Voltage Check...................................................................................................................................................................................................................................................... 974 Actuator Resistance Check...................................................................................................................................................................................................................................................... 974 Harness Resistance Check....................................................................................................................................................................................................................................................... 975 Connector Voltage Check – ECB2 Disconnected.................................................................................................................................................................................................................................... 977 Operational Voltage Check...................................................................................................................................................................................................................................................... 977 Actuator Resistance Check...................................................................................................................................................................................................................................................... 977 Harness Resistance Check....................................................................................................................................................................................................................................................... 977 SPN 158 FMI 15- ECM Switched voltage too HIGH.................................................................................................................................................................................................................................. 982 SPN 158 FMI 17- ECM Switched voltage too LOW................................................................................................................................................................................................................................... 982 Voltage Checks at ECM.......................................................................................................................................................................................................................................................... 982 Voltage Check.................................................................................................................................................................................................................................................................. 984 Harness Resistance Check....................................................................................................................................................................................................................................................... 984 Voltage Check.................................................................................................................................................................................................................................................................. 985 Harness Resistance Check....................................................................................................................................................................................................................................................... 985 Voltage Check.................................................................................................................................................................................................................................................................. 987 Harness Resistance Check....................................................................................................................................................................................................................................................... 987 SPN 108 FMI 3- BARO signal Out of Range HIGH................................................................................................................................................................................................................................... 989 SPN 108 FMI 4 - BARO signal Out of Range LOW................................................................................................................................................................................................................................... 989 SPN 628 FMI 12- ECM Memory Error............................................................................................................................................................................................................................................... 989 SPN 629 FMI 2- ECM Error- Level 2 Monitoring................................................................................................................................................................................................................................... 989 SPN 629 FMI 8 - Engine Off timer fault......................................................................................................................................................................................................................................... 989 SPN 629 FMI 12- ECM Internal chip Error........................................................................................................................................................................................................................................ 989 SPN 629 FMI 14- ECM Internal component......................................................................................................................................................................................................................................... 989 SPN 1110 FMI 31 – ECM Detects Fueling Without Demand........................................................................................................................................................................................................................... 990 Sensor Circuit Check With ServiceMaxx™ Software................................................................................................................................................................................................................................1003 Connector Voltage Check Without ServiceMaxx™ Software..........................................................................................................................................................................................................................1003 Harness Resistance Check.......................................................................................................................................................................................................................................................1004 SPN 4076 FMI 16 – ECT2 signal does not agree with other sensors (Cold soak)....................................................................................................................................................................................................1009 Sensor Circuit Check With ServiceMaxx™ Software................................................................................................................................................................................................................................1010 Connector Voltage Check Without ServiceMaxx™ Software..........................................................................................................................................................................................................................1010 Harness Resistance Check.......................................................................................................................................................................................................................................................1010 Voltage Check at Single or Two-Speed EFC Connector - Actuator Test.............................................................................................................................................................................................................1013 Harness Resistance Check.......................................................................................................................................................................................................................................................1013 SPN 412 FMI 2 – EGRT signal does not agree with other sensors..................................................................................................................................................................................................................1016 Sensor Circuit Check With ServiceMaxx™ Software................................................................................................................................................................................................................................1017 Connector Voltage Check Without ServiceMaxx™ Software..........................................................................................................................................................................................................................1017 Harness Resistance Check.......................................................................................................................................................................................................................................................1017 Connector Voltage Check — EGR Valve Disconnected...............................................................................................................................................................................................................................1025 Operational Voltage Check......................................................................................................................................................................................................................................................1025 Harness Resistance Check.......................................................................................................................................................................................................................................................1026 Sensor Circuit Check With ServiceMaxx™ Software................................................................................................................................................................................................................................1033 Connector Voltage Check Without ServiceMaxx™ Software..........................................................................................................................................................................................................................1034 Harness Resistance Check.......................................................................................................................................................................................................................................................1034 Sensor Circuit Check...........................................................................................................................................................................................................................................................1036 Connector Voltage Check........................................................................................................................................................................................................................................................1036 Harness Resistance Check.......................................................................................................................................................................................................................................................1037 Sensor Circuit Check With ServiceMaxx™ Software................................................................................................................................................................................................................................1039 Pinpoint Diagnostics Without ServiceMaxx™ Software.............................................................................................................................................................................................................................1039 Harness Resistance Check.......................................................................................................................................................................................................................................................1040 Connector Voltage Check — ETV Disconnected.....................................................................................................................................................................................................................................1043 Operational Voltage Check......................................................................................................................................................................................................................................................1044 Harness Resistance Check.......................................................................................................................................................................................................................................................1045 Sensor Circuit Check With ServiceMaxx™ Software................................................................................................................................................................................................................................1094 Connector Voltage Check Without ServiceMaxx™ Software..........................................................................................................................................................................................................................1094 Harness Resistance Check.......................................................................................................................................................................................................................................................1094 Connector Voltage Check – FPCV Disconnected....................................................................................................................................................................................................................................1097 Operational Voltage Check......................................................................................................................................................................................................................................................1097 Harness Resistance Check.......................................................................................................................................................................................................................................................1098 Sensor Circuit Check With ServiceMaxx™ Software................................................................................................................................................................................................................................1102 Connector Voltage Check Without ServiceMaxx™ Software..........................................................................................................................................................................................................................1103 Harness Resistance Check.......................................................................................................................................................................................................................................................1103 SPN 157 FMI 0 - FRP relief valve opening fault.................................................................................................................................................................................................................................1112 SPN 157 FMI 14 - FRP Relief Valve failure......................................................................................................................................................................................................................................1112 SPN 1810 FMI 0 - Hard Brake monitor, event log, extreme........................................................................................................................................................................................................................1129 SPN 1810 FMI 15- Hard Brake monitor, event log, non-extreme....................................................................................................................................................................................................................1129 SPN 172 FMI 2 – IAT signal does not agree with other sensors...................................................................................................................................................................................................................1131 Sensor Circuit Check With ServiceMaxx™ Software................................................................................................................................................................................................................................1132 Connector Voltage Check Without ServiceMaxx™ Software..........................................................................................................................................................................................................................1132 Harness Resistance Check.......................................................................................................................................................................................................................................................1132 Sensor Circuit Check With ServiceMaxx™ Software................................................................................................................................................................................................................................1137 Connector Voltage Check Without ServiceMaxx™ Software..........................................................................................................................................................................................................................1137 Harness Resistance Check.......................................................................................................................................................................................................................................................1138 Cold Soak Sensor Compare Check With ServiceMaxx™ Software......................................................................................................................................................................................................................1145 SPN 105 FMI 2 – IMT signal does not agree with other sensors...................................................................................................................................................................................................................1145 SPN 105 FMI 18 – IMT signal not responding as expected.........................................................................................................................................................................................................................1145 Sensor Circuit Check With ServiceMaxx™ Software................................................................................................................................................................................................................................1145 Connector Voltage Check Without ServiceMaxx™ Software..........................................................................................................................................................................................................................1146 Harness Resistance Check.......................................................................................................................................................................................................................................................1146 Vehicle Diagnostic Connector Voltage Check.....................................................................................................................................................................................................................................1227 EST Communication Check........................................................................................................................................................................................................................................................1227 Harness Resistance Check.......................................................................................................................................................................................................................................................1228 SPN 1590 FMI 19 - Adaptive Cruise Control not detected on J1939................................................................................................................................................................................................................1228 MIL Connector Voltage Check Without ServiceMaxx™ Software .....................................................................................................................................................................................................................1261 Harness Resistance Check.....................................................