04 May, 2025Cummins ISB CM850 (2003-06) Fault Code: 141 (Marine) PID: 100 SPN: 100 FMI: 4 Oil Pressure Sensor Circuit – Voltage Below Normal, or Shorted to Low Source. Low signal voltage detected at the engine oil pressure circuit. Cummins ISB CM850 (2003-06) Fault Code: 141 (Marine) PID: 100 SPN: 100 FMI: 4 Oil Pressure Sensor Circuit – Voltage Below Normal, or Shorted to Low Source. Low signal voltage detected at the engine oil pressure circuit. Possible causes: 1)Signal circuit open or shorted to ground in the engine harness or sensor2)Supply line open or shorted to ground. Possible repairs: 1)Replace the oil pressure sensor.2)Replace the ECM.3)Replace the engine harness. Delen op Facebook Opent in een nieuw venster. Twitteren op Twitter Opent in een nieuw venster. Pinnen op Pinterest Opent in een nieuw venster. Terug naar blog