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Cummins ISM CM875 (2003-06) Fault Code: 144 PID: P110 SPN: 110 FMI: 3/3 Engine Coolant Temperature 1 Sensor Circuit – Voltage Above Normal or Shorted to High Source. High signal voltage or open circuit detected at engine coolant temperature circuit.
The engine coolant temperature sensor shares return wires in the engine harness with other sensors. An open return can cause multiple fault codes to be active.
Before troubleshooting Fault Code 144, check for multiple fault codes.
Possible causes:
1)Open return circuit in the harness, connectors, or sensor2)Open signal circuit or shorted to a voltage source.
Possible repair:
1)Replace the engine coolant temperature sensor.2)Replace the ECM3)Repair or replace the engine harness.
Cummins ISM CM875 (2003-06) Fault Code: 143 PID: P100 SPN: 100 FMI: 1/18 Engine Oil Rifle Pressure – Data Valid But Below Normal Operating Range – Moderately Severe Level. Engine oil pressure signal indicates engine oil pressure is below the engine protection warning limit.
Cummins ISM CM875 (2003-06) Fault Code: 141 PID: P100 SPN: 100 FMI: 4/4 Engine Oil Rifle Pressure 1 Sensor Circuit – Voltage Below Normal or Shorted to Low Source. Low signal voltage or open circuit detected at the engine oil pressure circuit.
Cummins ISM CM875 (2003-06) Fault Code: 135 PID: P100 SPN: 100 FMI: 3/3 Engine Oil Rifle Pressure 1 Sensor Circuit – Voltage Above Normal or Shorted to High Source. High signal voltage detected at the engine oil pressure circuit.
Cummins ISM CM875 (2003-06) Fault Code: 134 PID: P029 SPN: 974 FMI: 4/4 Remote Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Below Normal or Shorted to Low Source. Low voltage detected at remote accelerator position signal circuit.
Cummins ISM CM875 (2003-06) Fault Code: 133 PID: P029 SPN: 974 FMI: 3/3 Remote Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Above Normal or Shorted to High Source. High signal voltage detected at remote accelerator position signal circuit.
Cummins ISM CM875 (2003-06) Fault Code: 132 PID: P091 SPN: 91 FMI: 4/4 Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Below Normal or Shorted to Low Source. Low voltage detected at accelerator pedal position number 1 signal circuit