Cummins ISM CM870 (2003-06) Fault Code: 319 PID: P251 SPN: 251 FMI: 2/2 Real-Time Clock Power Interrupt - Data Erratic, Intermittent, or Incorrect. Real-time clock lost power.

This fault indicates that the real-time clock in the ECM lost power. Possible causes for this fault are weak or damaged real-time clock battery, damaged wiring or connectors between the battery and ECM, or the engine is not equipped with a real-time clock battery and the vehicle battery power to the ECM is lost.

Possible repair:

1)Repair or replace the real-time clock battery.
2)Replace the engine harness.

Cummins ISM CM870 (2003-06) Fault Code: 295 PID: P108 SPN: 108 FMI: 2/2 Barometric Pressure - Data Erratic, Intermittent, or Incorrect. An error in the barometric pressure sensor signal was detected by the ECM.

Cummins ISM CM870 (2003-06) Fault Code: 288 PID: P029 SPN: 19 FMI: 19 SAE J1939 Multiplexing Remote Accelerator Pedal or Lever Position Sensor System - Received Network Data In Error. The OEM vehicle electronic control unit (VECU) detected a fault with the remote accelerator.

Cummins ISM CM870 (2003-06) Fault Code: 287 PID: P091 SPN: 19 FMI: 19 SAE J1939 Multiplexing Accelerator Pedal Sensor Error. The OEM vehicle electronic control unit (VECU) detected a fault with its accelerator pedal.

Cummins ISM CM870 (2003-06) Fault Code: 286 PID: S231 SPN: 639 FMI: 13/13 The ECM expected information from a multiplexed device but only received a portion of the necessary information.

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