CEM-5F50
Condition
If the overheat thermostat trips, the control unit will interpret this as a fault and will store diagnostic trouble code CEM-5F50.
Substitute value
- None.
Possible source
- Air in the cooling system.
- Cooling system blocked.
- Defective overheat thermostat.
- Defective water temperature sensor.
Fault symptom[s]
- Poor interior heating.