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Cummins ISM CM875 (2003-06) Fault Code: 234 PID: P190 SPN: 190 FMI: 0/0 Engine Crankshaft Speed/Position – Data Valid But Above Normal Operating Range – Most Severe Level. Engine speed signal indicates engine speed above engine protection limit.
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 the turbocharger seals to verify there are no oil leaks. Inspect the engine speed/position sensors for damage or tampering.
Possible repairs:
1)Replace the ECM.
Cummins ISM CM875 (2003-06) Fault Code: 227 PID: S232 SPN: 620 FMI: 3/3 Sensor Supply 2 Circuit – Voltage Above Normal or Shorted to High Source. High voltage detected at sensor supply number 2 circuit.
Cummins ISM CM875 (2003-06) Fault Code: 224 PID: S085 SPN: 1265 FMI: 3/3 Centinel? oil control valve circuit – shorted high. Open circuit or high signal voltage detected at Centinel? oil control valve circuit.
Cummins ISM CM875 (2003-06) Fault Code: 223 PID: S085 SPN: 1265 FMI: 4/4 Centinel? oil control valve circuit – shorted low. Low signal voltage detected at Centinel? oil control valve circuit.
Cummins ISM CM875 (2003-06) Fault Code: 222 PID: P108 SPN: 108 FMI: 4/4 Barometric Pressure Sensor Circuit – Voltage Below Normal or Shorted to Low Source. Low signal voltage detected at barometric pressure circuit.
Cummins ISM CM875 (2003-06) Fault Code: 221 PID: P108 SPN: 108 FMI: 3/3 Barometric Pressure Sensor Circuit – Voltage Above Normal or Shorted to High Source. High signal voltage detected at barometric pressure circuit.
Cummins ISM CM875 (2003-06) Fault Code: 219 PID: P017 SPN: 1380 FMI: 1/17 Engine Oil Level Number 2 (Remote) Low – Maintenance. Low oil level detected in the Centinel? makeup oil tank.