Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information

Condition




A diagnostic trouble code (DTC) is stored if there is a short-circuit to supply voltage or an open-circuit in the coolant temperature sensor circuit.

Substitute value
Heater not activated.

Possible source
- Contact resistance in control module connector.
- Open-circuit on signal ground cable.
- Open-circuit or short-circuit to supply voltage in signal cable.
- Defective coolant temperature sensor.

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