Cummins ISL CM850 (2003-06) Fault Code: 451 PID: 157 SPN: 157 FMI: 3 Injector Metering Rail Number 1 Pressure Sensor Circuit - Voltage Above Normal or Shorted to High Source. High signal voltage detected at rail fuel pressure sensor circuit.
Cummins ISL CM850 (2003-06) Fault Code: 452 PID: 157 SPN: 157 FMI: 4 Injector Metering Rail Number 1 Pressure Sensor Circuit - Voltage Below Normal or Shorted to Low Source. Low signal voltage detected at the rail fuel pressure sensor circuit.
Cummins ISL CM850 (2003-06) Fault Code: 471 PID: 98 SPN: 98 FMI: 17 Engine Oil Level ? Data Valid But Below Normal Operational Range ? Least Severe Level. Low oil level has been detected by the oil level sensor.
Cummins ISL CM850 (2003-06) Fault Code: 488 PID: 105 SPN: 105 FMI: 0 Intake Manifold 1 Temperature - Data Valid but Above Normal Operational Range - Moderately Severe Level. Intake manifold air temperature signal indicates intake manifold air temperature above engine protection warning limit.
Cummins ISL CM850 (2003-06) Fault Code: 498 PID: 98 SPN: 98 FMI: 3 Engine Oil Level Sensor Circuit - Voltage Above Normal or Shorted to High Source. The engine oil level sensor has detected an internal failure.
Cummins ISL CM850 (2003-06) Fault Code: 497 PID: SID 114 SPN: 1137 FMI: 2 Multiple Unit Synchronization Switch - Data Erratic, Intermittent, or Incorrect. Multi-Unit synchronous ON/OFF switch and Multi-Unit synchronous complimentary ON/OFF switch have different values in the ECM.
Cummins ISL CM850 (2003-06) Fault Code: 499 PID: 98 SPN: 98 FMI: 4 Engine Oil Level Sensor Circuit - Voltage Below Normal or Shorted to Low Source. The engine oil level sensor has detected an internal failure.
Cummins ISL CM850 (2003-06) Fault Code: 523 PID: 89 SPN: 611 FMI: 2 Auxiliary Intermediate (PTO) Speed Switch Validation - Data Erratic, Intermittent, or Incorrect. The position of the intermediate speed control switch 1 does not match the position of the intermediate speed control validation switch.
Cummins ISL CM850 (2003-06) Fault Code: 527 PID: SID 154 SPN: 702 FMI: 3 Auxiliary Input/Output 2 Circuit Voltage Above Normal or Shorted to High Source. High signal voltage or open circuit has been detected at the auxiliary input and output 2 circuit.
Cummins ISL CM850 (2003-06) Fault Code: 528 PID: 93 SPN: 93 FMI: 2 Auxiliary Alternate Torque Validation Switch - Data Erratic, Intermittent, or Incorrect. An error has been detected in the alternate torque switch circuit.