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 ground or an open-circuit in the combustion fan circuit.
Substitute value
Heater not activated.
Possible source
- Contact resistance in control module or combustion fan connectors.
- Open-circuit in the signal cable.
- Open-circuit in power cable
- Short-circuit to ground in signal cable.
- Defective combustion fan.
Fault symptom[s]
- Poor heating in passenger compartment.