Cummins ISL CM850 (2003-06) Fault Code: 197 PID: 111 SPN: 111 FMI: 1 Coolant Level - Data Valid but Below Normal Operational Range - Moderately Severe Level. Low engine coolant level detected.

This fault code goes active when the coolant level inside the radiator top tank or surge tank drops below the sensor level. Fill the top tank with coolant.

Possible repairs:

1)Add coolant to the engine.

Cummins ISL CM850 (2003-06) Fault Code: 196 (3 wires) PID: 111 SPN: 111 FMI: 4 Coolant Level Sensor 1 Circuit - Voltage Below Normal or Shorted to Low Source. Low signal voltage detected at engine coolant level circuit.

Cummins ISL CM850 (2003-06) Fault Code: 196 (2 wires) PID: 111 SPN: 111 FMI: 4 Coolant Level Sensor 1 Circuit - Voltage Below Normal or Shorted to Low Source. Low signal voltage detected at the engine coolant level circuit.

Cummins ISL 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 ISL CM850 (2003-06) Fault Code: 195 (2 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.

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