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Cummins ISX CM870 (2003-06) Fault Code: 2963 PID: P110 SPN: 110 FMI: 0/16 Engine Coolant Temperature – Data Valid But Above Normal Operating Range – Least Severe Level. Engine coolant temperature is above the engine protection warning limit.

The engine coolant temperature sensor measures the temperature of the engine coolant as it passes through the thermostat housing. This fault code is activated if the engine coolant temperature is above 107?C [225?F] for at least five seconds.

Possible causes:

1)Obstructed radiator2)Plugged vent lines3)Aerated coolant4)Other cooling system failure.

Cummins ISX CM870 (2003-06) Fault Code: 2962 PID: P412 SPN: 412 FMI: 0/16 Exhaust Gas Recirculation Temperature – Data Valid But Above Normal Operating Range – Moderately Severe Level. Exhaust gas recirculation (EGR) temperature has exceeded the engine protection limit.
Cummins ISX CM870 (2003-06) Fault Code: 2961 PID: P412 SPN: 412 FMI: 0/15 Exhaust Gas Recirculation Temperature – Data Valid But Above Normal Operating Range – Least Severe Level. Exhaust gas recirculation (EGR) temperature has exceeded the engine protection limit.
Cummins ISX CM870 (2003-06) Fault Code: 2554 PID: P95 SPN: 1209 FMI: 2/2 Exhaust Gas Pressure – Data Erratic, Intermittent or Incorrect. The exhaust gas pressure sensor is reading an erratic value.
Cummins ISX CM870 (2003-06) Fault Code: 2552 PID: P157 SPN: 157 FMI: 0/16 Front Fueling Actuator Pressure High – Warning. Unexpected high fueling detected on the front bank.
Cummins ISX CM870 (2003-06) Fault Code: 2551 PID: P129 SPN: 1349 FMI: 0/16 Rear Fueling Actuator Pressure High – Warning. Unexpected high fueling detected on the rear bank.
Cummins ISX CM870 (2003-06) Fault Code: 2385 PID: S027 SPN: 641 FMI: 3 Variable geometry turbocharger actuator driver circuit – voltage above normal or shorted to high source. Open circuit or high voltage detected at turbocharger control valve circuit.