PACCAR PX-6 CM2150 (2007-09) Fault Code: 151 PID: 110 SPN: 110 FMI: 0 Engine Coolant Temperature - Data Valid But Above Normal Operational Range - Most Severe Level. Engine coolant temperature signal indicates engine coolant temperature above engine protection critical limit.

Verify the ECM calibration is correct. Check the calibration revision history found on QuickServe® Online for applicable fixes to the calibration stored in the ECM. If necessary, calibrate the ECM.

Possible repairs:

1)Replace the engine coolant temperature sensor.
2)Replace the ECM.
3)Replace the engine harness.

PACCAR PX-6 CM2150 (2007-09) Fault Code: 146 PID: 110 SPN: 110 FMI: 0 Engine Coolant Temperature - Data Valid But Above Normal Operational Range - Moderately Severe Level. Engine coolant temperature is above engine protection warning limit.

PACCAR PX-6 CM2150 (2007-09) Fault Code: 145 PID: 110 SPN: 110 FMI: 4 Engine Coolant Temperature 1 Sensor Circuit - Voltage Below Normal or Shorted to Low Source. Low signal voltage detected at engine coolant temperature circuit.

PACCAR PX-6 CM2150 (2007-09) Fault Code: 144 PID: 110 SPN: 110 FMI: 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.

PACCAR PX-6 CM2150 (2007-09) Fault Code: 143 PID: 100 SPN: 100 FMI: 1 Engine Oil Rifle Pressure - Data Valid but Below Normal Operational Range - Moderately Severe Level. Engine oil pressure signal indicates engine oil pressure is below the engine protection warning limit.

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