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Cummins ISM CM875 (2003-06) Fault Code: 2277 PID: S27 SPN: 641 FMI: 3/3 Variable Geometry Turbocharger Actuator Driver Circuit – Voltage Above Normal or Shorted to High Source. Open circuit or high voltage detected at turbocharger control valve circuit.
Turbocharger Control Valve Command can be monitored with the INSITE? electronic service tool. This parameter represents the ECM command to the turbocharger control valve which in turn controls the variable geometry actuator position.
Possible causes:
1)Open circuit in the engine harness, connectors, or turbocharger control valve.2)Signal circuit short to voltage source in the engine harness.
Possible repairs:
1)Replace the turbocharger control valve.2)Repair or replace the engine harness3)Replace the ECM.
Cummins ISM CM875 (2003-06) Fault Code: 2274 PID: P411 SPN: 411 FMI: 4/4 Exhaust Gas Recirculation Valve Delta Pressure Sensor Circuit – Voltage Below Normal or Shorted to Low Source. Low signal voltage detected at the EGR differential pressure sensor circuit.
Cummins ISM CM875 (2003-06) Fault Code: 2273 PID: P411 SPN: 411 FMI: 3/3 Exhaust Gas Recirculation Valve Delta Pressure Sensor Circuit – Voltage Above Normal or Shorted to High Source. High signal voltage detected at the EGR differential pressure sensor circuit.
Cummins ISM CM875 (2003-06) Fault Code: 2272 PID: P27 SPN: 27 FMI: 4/4 Exhaust Gas Recirculation (EGR) Valve Position Circuit – Voltage Below Normal or Shorted to Low Source. Low signal voltage detected at EGR valve position sensor circuit.
Cummins ISM CM875 (2003-06) Fault Code: 2271 PID: P27 SPN: 27 FMI: 3/3 EGR Valve Position Sensor Circuit – Shorted High. High signal voltage detected at EGR valve position sensor circuit.
Cummins ISM CM875 (2003-06) Fault Code: 2215 PID: P094 SPN: 94 FMI: 1/18 Fuel Pump Delivery Pressure – Data Valid But Below Normal Operating Range – Moderately Severe Level. Low fuel pressure has been detected by the ECM.
Cummins ISM CM875 (2003-06) Fault Code: 1943 PID: SPN: 3555 FMI: 1/17 Ambient Air Density – Data Valid But Below Normal Operational Range – Least Severe Level. Engine torque has been reduced because the vehicle was operating at a high altitude condition.