Cummins ISL CM850 (2003-06) Fault Code: 293 PID: 441 SPN: 441 FMI: 3 Auxiliary Temperature Sensor Input 1 - Voltage Above Normal, or Shorted to High Source. High signal voltage or open circuit detected at the OEM auxiliary temperature circuit.

Possible causes:

1)Open return circuit in the harness, connectors, or sensor
2)Open signal circuit or shorted to a voltage source.

Possible repairs:

1)Replace the OEM temperature sensor.
2)Repair or replace the OEM harness.
3)Replace the ECM.

Cummins ISL CM850 (2003-06) Fault Code: 292 PID: 441 SPN: 441 FMI: 14 Auxiliary Temperature Sensor Input 1 - Special Instructions.

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Cummins ISL CM850 (2003-06) Fault Code: 288 PID: 29 SPN: 974 FMI: 19 SAE J1939 Multiplexing Remote Accelerator Pedal or Lever Data Error - Received Network Data Error. The OEM vehicle electronic control unit (VECU) detected a fault with the remote accelerator.

Cummins ISL CM850 (2003-06) Fault Code: 287 PID: 91 SPN: 91 FMI: 19 SAE J1939 Multiplexing Accelerator Pedal or Lever Sensor System Error - Received Network Data Error. The OEM vehicle electronic control unit (VECU) detected a fault with its accelerator pedal.

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