Cumminz

Cummins ISX CM870 (2003-06) Fault Code: 2376 PI...

Beginning with ESN 14039654, the temperature sensor return circuit was separated from the pressure sensor return circuit. For ESNs prior to this and with engine wiring harness Part Number 3682854,...

Cummins ISX CM870 (2003-06) Fault Code: 2375 PI...

Beginning with engine serial number (ESN) 14039654, the temperature sensor return circuit was separated from the pressure sensor return circuit. For ESNs prior to this and with engine wiring harness,...

Cummins ISX CM870 (2003-06) Fault Code: 2373 PI...

The exhaust gas pressure sensor shares supply and return wires in the engine harness with other sensors. Opens and shorts in the engine harness can cause multiple fault codes to...

Cummins ISX CM870 (2003-06) Fault Code: 2372 PI...

Low fuel pressure during high engine speeds or motoring conditions indicates a fuel inlet restriction or a plugged pressure-side fuel filter. Possible causes: 1)Plugged pressure or suction side fuel filter2)Collapsed...

Cummins ISX CM870 (2003-06) Fault Code: 2368 PI...

Possible causes: 1)Open circuit in the engine harness, brake harness, or engine brake solenoids2)Short to voltage source in the engine harness3)Damaged ECM4)Loose connection at the engine brake solenoid. Possible repairs:...

Cummins ISX CM870 (2003-06) Fault Code: 2367 (V...

The engine brake fault code will only become active once the engine brakes are activated and will remain active until the ECM is powered down. Once the ECM is powered...