Cumminz

Cummins ISX CM870 (2003-06) Fault Code: 2351 PI...

NOTE: Prior to running the INSITE? electronic service tool EGR Valve and EGR Valve/Turbocharger Operational Test, the ECM Calibration Software Phase could possibly need to be updated to the latest...

Cummins ISX CM870 (2003-06) Fault Code: 2349 PI...

The ECM monitors the voltage level of this circuit and logs a fault code if the voltage level indicates an open circuit or short to voltage source. This fault is...

Cummins ISX CM870 (2003-06) Fault Code: 2348 PI...

Possible causes: 1) A EGR valve assembly internal malfunction that is causing the EGR valve not to close fully. Another possible cause of this fault code is high resistance in...

Cummins ISX CM870 (2003-06) Fault Code: 2347 PI...

Note: This fault code may become active if the protective shipping sticker is not removed from the port located on the end opposite of the connector. When installing a new...

Cummins ISX CM870 (2003-06) Fault Code: 2346 PI...

The most common cause of this fault code is low boost. Low boost can be caused by several factors: leaking charge air cooler, loose charge air cooler clamps, malfunctioning components,...

Cummins ISX CM870 (2003-06) Fault Code: 234 PID...

Possible causes: 1)External fuel sources drawn into the intake air passage2)Reverse powering (motoring) of the engine3)Tampering of the engine speed/position sensors.Inspect the intake manifold for sources of flammable vapors. Check...