Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information

Condition




A diagnostic trouble code (DTC) is stored if the overheat protection thermostat is tripped.

Substitute value
The heater is disabled, but is allowed to restart.

Possible source
- Air in the cooling system.
- Cooling system blocked.
- Defective overheat protection thermostat.
- Defective coolant temperature sensor.

Fault symptom[s]
- Poor heating in passenger compartment.