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Cummins ISM CM875 (2003-06) Fault Code: 2349 PID: S146 SPN: 2791 FMI: 5/5 EGR Valve Control Circuit – Current Below Normal or Open Circuit. Motor terminal or motor coil open circuit has been detected by the engine control module (ECM).
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 always set inactive when the keyswitch is turned ON. If the fault condition reoccurs while the keyswitch is in the ON position, the fault code will be set active. Since active faults are set inactive at key ON, this troubleshooting tree should be used to troubleshoot active and inactive faults.
Possible causes:
1)An open circuit in the engine harness, connectors, motor, or ECM2)EGR valve motor SIGNAL (+) or (-) leads shorted to a voltage source in the engine harness or ECM.Do not supply voltage of any kind to the EGR valve motor. This circuit uses a pulse-width-modulated signal and direct voltage can permanently damage the motor.
Possible repairs:
1)Replace the EGR valve.2)Repair or replace the EGR valve extension harness.3)Repair or replace the engine harness.
Cummins ISM CM875 (2003-06) Fault Code: 2348 PID: 27 SPN: 27 FMI: 13/13 EGR Valve Self Calibration. EGR valve failed automatic self calibration procedure.
Cummins ISM CM875 (2003-06) Fault Code: 2347 PID: S309 SPN: 2790 FMI: 0/15 Turbocharger Compressor Outlet Temperature (Calculated) – Data Valid But Above Normal Operating Range – Least Severe Level. High turbocharger compressor outlet air temperature has been calculated by the engine control module (ECM).
Cummins ISM CM875 (2003-06) Fault Code: 2346 PID: SPN: 2789 FMI: 0/15 Turbocharger Turbine Intake Temperature – Data Valid But Above Normal Operating Range – Least Severe Level. Turbocharger turbine intake temperature has exceeded the engine protection limit.
Cummins ISM CM875 (2003-06) Fault Code: 2321 PID: P190 SPN: 190 FMI: 2/2 Engine speed/position sensor number 1 – engine speed/position glitch detect (crankshaft sensor).
Cummins ISM CM875 (2003-06) Fault Code: 2314 PID: S84 SPN: 1245 FMI: 11/31 Timing Actuator Number 2 CSircuit Error. Error detected on the rear timing actuator circuit.
Cummins ISM CM875 (2003-06) Fault Code: 2313 PID: S83 SPN: 1244 FMI: 11/31 Fueling Actuator Number 2 Circuit Error. Error detected on the rear fueling actuator circuit.