Cummins ISB6.7 CM2150 (2007-09) Fault Code: 442 PID: 168 SPN: 168 FMI: 0 Battery 1 Voltage - Data Valid but Above Normal Operational Range - Moderately Severe Level. ECM supply voltage is above the maximum system voltage level.
Cummins ISB6.7 CM2150 (2007-09) Fault Code: 449 (ISB/QSB3.3) PID: 94 SPN: 157 FMI: 0 Injector Metering Rail Number 1 Pressure - Data Valid But Above Normal Operating Range - Most Severe Level. The ECM has detected that fuel pressure in the fuel rail is higher than the fuel pressure relief valve.
Cummins ISB6.7 CM2150 (2007-09) Fault Code: 449 (ISC/ISL) PID: 94 SPN: 157 FMI: 0 Injector Metering Rail Number 1 Pressure - Data Valid But Above Normal Operating Range - Most Severe Level. The ECM has detected that fuel pressure in the fuel rail is higher than the fuel pressure relief valve.
Cummins ISB6.7 CM2150 (2007-09) 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 ISB6.7 CM2150 (2007-09) 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 ISB6.7 CM2150 (2007-09) Fault Code: 471 PID: 98 SPN: 98 FMI: 1 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 ISB6.7 CM2150 (2007-09) Fault Code: 488 PID: 105 SPN: 105 FMI: 16 Intake Manifold 1 Temperature - Data Valid but Above Normal Operational Range - Moderately Severe Level. Intake manifold air temperature signal indicates intake manifold air temperature is above engine protection warning limit.
Cummins ISB6.7 CM2150 (2007-09) 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 ISB6.7 CM2150 (2007-09) 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.
Cummins ISB6.7 CM2150 (2007-09) Fault Code: 529 PID: SID 051 SPN: 703 FMI: 3 Auxiliary Input/Output 3 Circuit - Voltage Above Normal or Shorted to High Source. High signal voltage has been detected at the auxiliary input/output 3 circuit.