Cummins ISB CM850 (2003-06) Fault Code: 195 (3 wires) PID: 111 SPN: 111 FMI: 3 Coolant Level Sensor 1 Circuit – Voltage Above Normal or Shorted to High Source. High signal voltage detected at engine coolant level circuit.
Cummins ISB CM850 (2003-06) Fault Code: 195 (3 wires) PID: 111 SPN: 111 FMI: 3 Coolant Level Sensor 1 Circuit – Voltage Above Normal or Shorted to High Source. High signal voltage detected at engine coolant level circuit.
Possible causes:
1)Open return circuit in the engine harness, connectors, or sensor
2)Signal circuit shorted to sensor supply or battery voltage
3)Sensor supply circuit shorted to battery voltage.
Possible repairs:
1)1)Replace the engine coolant level sensor.
2)Repair or replace the OEM harness.
