Diesel Data: Automotive Repair

Diagnostic Trouble Code (DTC) Information






Diagnostic trouble code (DTC) information

Condition




This diagnostic trouble code is stored if the overheat protection thermostat is tripped three times in a row.

Substitute value
Heater not activated.

Possible source
- Defective overheat protection thermostat.

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