Cummins ISB CM850 (2003-06) Fault Code: 235 PID: 111 SPN: 111 FMI: 1 Coolant Level – Data Valid but Below Normal Operational Range – Most Severe Level. Low engine coolant level detected.
Cummins ISB CM850 (2003-06) Fault Code: 235 PID: 111 SPN: 111 FMI: 1 Coolant Level – Data Valid but Below Normal Operational Range – Most 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.
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