Cummins Tier 4 Fault Codes - Allied Systems

1 Cummins Tier 4 Fault CodesFault CodeJ1939 SPNJ1939 FMILampJ1939 SPN DescriptionCummins DescriptionQSB 9 QSX 15 QSB #1 engine Control Module Critical Internal Failure - Bad intelligent device or componentXXXXXX1156122 RedSystem Diagnostic Code #2 engine Magnetic Speed/Position Lost Both of TwoSignals - Data erratic, intermittent or incorrectXXXXXX1221023 AmberEngine Intake Manifold #1 PressureIntake Manifold 1 Pressure Sensor Circuit - Voltage above normal, or shorted to high sourceXXXXXX1231024 AmberEngine Intake Manifold #1 PressureIntake Manifold 1 Pressure Sensor Circuit - Voltage below normal, or shorted to low sourceXXXXXX12410216 AmberEngine Intake Manifold #1 PressureIntake Manifold 1 Pressure - Data Valid But AboveNormal Operating Range - Moderately Severe LevelXXX12510218 AmberEngine Intake Manifold #1 PressureIntake Manifold 1 Pressure - Data Valid But BelowNormal Operating Range - Moderately Severe LevelXX131913 RedAccelerator Pedal Position 1 Accelerator Pedal or Lever Position Sensor 1 Circuit - Voltage above normal, or shorted to high sourceXXXXXX132914 RedAccelerator Pedal Position 1 Accelerator Pedal or Lever Position Sensor 1 Circuit - Voltage below normal, or shorted to low sourceXXXXXX1339743 RedRemote Accelerator Pedal PositionRemote Accelerator Pedal or Lever Position Sensor1 Circuit - Voltage above normal.

2 Or shorted to high sourceXXXXXX1349744 RedRemote Accelerator Pedal PositionRemote Accelerator Pedal or Lever Position Sensor1 Circuit - Voltage below normal, or shorted to low sourceXXXXXX1351003 AmberEngine Oil PressureEngine Oil Rifle Pressure 1 Sensor Circuit - Voltage above normal, or shorted to high sourceXXXXXX1411004 AmberEngine Oil PressureEngine Oil Rifle Pressure 1 Sensor Circuit - Voltage below normal, or shorted to low sourceXXXXXX14310018 AmberEngine Oil PressureEngine Oil Rifle Pressure - Data Valid But BelowNormal Operating Range - Moderately Severe LevelXXXXXX1441103 AmberEngine Coolant TemperatureEngine Coolant Temperature 1 Sensor Circuit - Voltage above normal, or shorted to high sourceXXXXXX1451104 AmberEngine Coolant TemperatureEngine Coolant Temperature 1 Sensor Circuit - Voltage below normal, or shorted to low sourceXXXXXX14611016 AmberEngine Coolant TemperatureEngine Coolant Temperature - Data Valid But AboveNormal Operating Range - Moderately Severe LevelXXXXXX147911 RedAccelerator Pedal Position 1 Accelerator Pedal or Lever Position 1 Sensor Circuit Frequency -Data valid but below normal operating RangeXXXXXX148910 RedAccelerator Pedal Position 1 Accelerator Pedal or Lever Position Sensor 1 - Data valid but above normal operational range - Most Severe LevelXXXXXX1511100 RedEngine Coolant TemperatureEngine Coolant Temperature - Data valid but above normal operational range - Most Severe LevelXXXXXX1531053 AmberEngine Intake Manifold 1 TemperatureIntake Manifold 1 Temperature Sensor Circuit - Voltage above normal.

3 Or shorted to high sourceXXXXXX1541054 AmberEngine Intake Manifold 1 TemperatureIntake Manifold 1 Temperature Sensor Circuit - Voltage below normal, or shorted to low sourceXXXXXX1551050 RedEngine Intake Manifold 1 TemperatureIntake Manifold 1 Temperature - Data valid but above normal operational range - Most Severe LevelXXXXXX18735104 AmberSensor supply voltage 2 Sensor Supply 2 Circuit - Voltage below normal, or shorted to low sourceXXXXXX1935201993 AmberCruise ControlCruise Control (Resistive) Signal Circuit - Voltage above normal, or shorted to high source1945201994 AmberCruise ControlCruise Control (Resistive) Signal Circuit - Voltage below normal, or shorted to low source1951113 AmberEngine Coolant LevelCoolant Level Sensor 1 Circuit - Voltage above normal, or shorted to high sourceXXXXXX1961114 AmberEngine Coolant LevelCoolant Level Sensor 1 Circuit - Voltage below normal, or shorted to low sourceXXXXXX19711118 AmberEngine Coolant LevelCoolant Level - Data Valid But Below NormalOperating Range - Moderately Severe LevelXXXXXX2121753 AmberEngine Oil Temperature 1 engine Oil Temperature Sensor 1 Circuit - Voltage above normal, or shorted to high sourceXX80-1235 Rev.

4 11/10/2020 Page 1 of 30 Cummins Tier 4 Fault CodesFault CodeJ1939 SPNJ1939 FMILampJ1939 SPN DescriptionCummins DescriptionQSB 9 QSX 15 QSB Oil Temperature 1 engine Oil Temperature Sensor 1 Circuit - Voltage below normal, or shorted to low sourceXX2141750 RedEngine Oil Temperature 1 engine Oil Temperature - Data valid but above normal operational range - Most Severe LevelXX2211083 AmberBarometric PressureBarometric Pressure Sensor Circuit - Voltage above normal, or shorted to high sourceXXXXX2221084 AmberBarometric PressureBarometric Pressure Sensor Circuit - Voltage above normal, or shorted to low sourceXXXXX22735103 AmberSensor supply voltage 2 Sensor Supply 2 Circuit - Voltage above normal, or shorted to high sourceXXXXXX2311093 AmberEngine Coolant PressureCoolant Pressure Sensor Circuit - Voltage above normal, or shorted to high source2321094 AmberEngine Coolant PressureCoolant Pressure Sensor Circuit - Voltage below normal, or shorted to low source23310918 AmberEngine Coolant PressureCoolant Pressure - Data Valid But Below NormalOperating Range - Moderately Severe Level2341900 RedEngine SpeedEngine Crankshaft Speed/Position - Data valid but above normal operational range - Most Severe LevelXXXXXX2351111 RedEngine Coolant LevelCoolant Level - Data valid but below normal operational range - Most Severe LevelXXXXXX2376442 AmberEngine External Speed Command InputExternal Speed Command Input (Multiple Unit Synchronization)

5 - Data erratic, intermittent or incorrectXX23835114 AmberSensor supply voltage 3 Sensor Supply 3 Circuit - Voltage below normal, or shorted to low sourceXXXXXX23935113 AmberSensor supply voltage 3 Sensor Supply 3 Circuit - Voltage above normal, or shorted to high sourceXXXXXX241842 AmberWheel-Based Vehicle SpeedWheel-Based Vehicle Speed - Data erratic, intermittent or incorrectXXXXXX2428410 AmberWheel-Based Vehicle SpeedWheel-Based Vehicle Speed Sensor Circuit tampering has been detected - Abnormal rate of changeXXX2456474 AmberEngine Fan Clutch 1 Output Device DriverFan Control Circuit - Voltage below normal, or shorted to low sourceXXXXXX2491713 AmberAmbient Air TemperatureAmbient Air Temperature Sensor 1 Circuit - Voltage above normal, or shorted to high sourceXXX253981 RedEngine Oil LevelEngine Oil Level - Data valid but below normal operational range - Most Severe Level2561714 AmberAmbient Air TemperatureAmbient Air Temperature Sensor 1 Circuit - Voltage below normal, or shorted to low sourceXXX26117416 AmberEngine Fuel Temperature 1 engine Fuel Temperature - Data Valid But AboveNormal Operating Range - Moderately Severe Level2631743 AmberEngine Fuel Temperature 1 engine Fuel Temperature Sensor 1 Circuit - Voltage above normal, or shorted to high source2651744 AmberEngine Fuel Temperature 1 engine Fuel Temperature Sensor 1 Circuit - Voltage below normal.

6 Or shorted to low source2661740 RedEngine Fuel Temperature 1 engine Fuel Temperature - Data valid but above normal operational range - Most Severe Level26911952 RedAnti-theft Password Valid IndicatorAntitheft Password Valid Indicator - Data erratic, intermittent or incorrectX27113474 AmberEngine Fuel Pump Pressurizing Assembly #1 engine Fuel Pump Pressurizing Assembly 1 Circuit - Voltage below normal, or shorted to low sourceXXXXXX27213473 AmberEngine Fuel Pump Pressurizing Assembly #2 engine Fuel Pump Pressurizing Assembly 1 Circuit - Voltage above normal, or shorted to high sourceXXXXXX28113477 AmberEngine Fuel Pump Pressurizing Assembly #3 engine Fuel Pump Pressurizing Assembly 1 - Mechanical system not responding or out of adjustmentXXXXXX2856399 AmberJ1939 Network #1, Primary Vehicle Network (previouslySAE J1939 Data Link)SAE J1939 Multiplexing PGN Timeout Error - Abnormal update rateXXXXXX80-1235 Rev.

7 11/10/2020 Page 2 of 30 Cummins Tier 4 Fault CodesFault CodeJ1939 SPNJ1939 FMILampJ1939 SPN DescriptionCummins DescriptionQSB 9 QSX 15 QSB Network #1, Primary Vehicle Network (previouslySAE J1939 Data Link)SAE J1939 Multiplexing Configuration Error - Out ofCalibrationXXXXXX28897419 RedRemote Accelerator Pedal PositionSAE J1939 Multiplexing Remote Accelerator Pedal or Lever Position Sensor system - Received Network Data In ErrorXXXXXX2916259 RedProprietary DatalinkProprietary Datalink Error (OEM/Vehicle Datalink) - Abnormal update rateXXXXXX29244114 RedAuxiliary Temperature 1 Auxiliary Temperature Sensor Input 1 - SpecialInstructionsXXXXXX2934413 AmberAuxiliary Temperature 1 Auxiliary Temperature Sensor Input 1 Circuit - Voltage above normal, or shorted to high sourceXXXXXX2944414 AmberAuxiliary Temperature 1 Auxiliary Temperature Sensor Input 1 Circuit - Voltage below normal, or shorted to low sourceXXXXXX2951082 AmberBarometric PressureBarometric Pressure - Data erratic, intermittent or incorrectXX296138814 RedAuxiliary Pressure #2 Auxiliary Pressure Sensor Input 2 - SpecialInstructionsXXXXXX29713883 AmberAuxiliary Pressure #2 Auxiliary Pressure Sensor Input 2 Circuit - Voltage above normal, or shorted to high sourceXXXXXX29813884 AmberAuxiliary Pressure #2 Auxiliary Pressure Sensor Input 2 Circuit - Voltage below normal.

8 Or shorted to low sourceXXXXXX3192512 Amber (Blinking)Real Time ClockReal Time Clock - Data erratic, intermittent or incorrectX3226515 AmberEngine Injector Cylinder #01 Injector Solenoid Driver Cylinder 1 Circuit - Current below normal or open circuitXXXXXX3236555 AmberEngine Injector Cylinder #05 Injector Solenoid Driver Cylinder 5 Circuit - Current below normal or open circuitXXXX3246535 AmberEngine Injector Cylinder #03 Injector Solenoid Driver Cylinder 3 Circuit - Current below normal or open circuitXXXXXX3256565 AmberEngine Injector Cylinder #06 Injector Solenoid Driver Cylinder 6 Circuit - Current below normal or open circuitXXXX3316525 AmberEngine Injector Cylinder #02 Injector Solenoid Driver Cylinder 2 Circuit - Current below normal or open circuitXXXXXX3326545 AmberEngine Injector Cylinder #04 Injector Solenoid Driver Cylinder 4 Circuit - Current below normal or open circuitXXXXXX3341102 AmberEngine Coolant TemperatureEngine Coolant

9 Temperature - Data erratic, intermittent or incorrectXX33812673 AmberIdle Shutdown Vehicle Accessories Relay Driver CircuitIdle Shutdown Vehicle Accessories Relay Driver Circuit - Voltage above normal, or shorted to high sourceXXXXX33912674 AmberIdle Shutdown Vehicle Accessories Relay Driver CircuitIdle Shutdown Vehicle Accessories Relay Driver Circuit - Voltage below normal, or shorted to low sourceXXXXX34362912 AmberController #1 engine Control Module Warning Internal HardwareFailure - Bad intelligent device or componentXXXXXX34919116 AmberTransmission Output Shaft SpeedTransmission Output Shaft Speed - Data Valid But Above Normal Operating Range - Moderately Severe LevelXXXXX351359712 AmberECU Power Output Supply Voltage #1 Injector Power Supply - Bad intelligent device or componentXXXXXX35235094 AmberSensor supply voltage 1 Sensor Supply 1 Circuit - Voltage below normal, or shorted to low sourceXXXXXX38635093 AmberSensor supply voltage 1 Sensor Supply 1 Circuit - Voltage above normal, or shorted to high sourceXXXXXX4151001 RedEngine Oil PressureEngine Oil Rifle Pressure - Data valid but below normal operational range - Most Severe LevelXXXXXX4189715 Amber (Blinking)

10 Water In Fuel IndicatorWater in Fuel Indicator - Data Valid But AboveNormal Operating Range - Least Severe LevelXXXXXX42117516 AmberEngine Oil Temperature 1 engine Oil Temperature - Data Valid But AboveNormal Operating Range - Moderately Severe LevelXX4221112 AmberEngine Coolant LevelCoolant Level - Data erratic, intermittent or incorrectXX80-1235 Rev: 11/10/2020 Page 3 of 30 Cummins Tier 4 Fault CodesFault CodeJ1939 SPNJ1939 FMILampJ1939 SPN DescriptionCummins DescriptionQSB 9 QSX 15 QSB Oil Temperature 1 engine Oil Temperature - Data erratic, intermittent or incorrectXX4266392 NoneJ1939 Network #1, Primary Vehicle Network (previouslySAE J1939 Data Link)J1939 Network #1 - Data erratic, intermittent or incorrect4276399 NoneJ1939 Network #1, Primary Vehicle Network (previouslySAE J1939 Data Link)SAE J1939 Datalink - Abnormal update rate428973 AmberWater In Fuel IndicatorWater in Fuel Indicator Sensor Circuit - Voltage above normal, or shorted to high sourceXXXXXX429974 AmberWater In Fuel IndicatorWater in Fuel Indicator Sensor Circuit - Voltage below normal, or shorted to low sourceXXXXXX4315582 AmberAccelerator Pedal 1 Low Idle SwitchAccelerator Pedal or Lever Idle Validation Switch - Data erratic, intermittent or incorrectXXXXXX43255813 RedAccelerator Pedal 1 Low Idle SwitchAccelerator Pedal or Lever Idle Validation SwitchCircuit - Out of CalibrationXXXXXX4351002 AmberEngine Oil PressureEngine Oil Rifle Pressure - Data erratic, intermittent or incorrectXXXXXX4361052 AmberEngine Intake Manif