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 water pump circuit.

Substitute value
Any engine block heater function will be shut down.

Possible source
- Contact resistance in control module or water pump connectors.
- Short-circuit to ground in signal cable
- Open-circuit in power cable
- Open-circuit in the signal cable.
- Defective water pump.

Fault symptom[s]
- Engine block heater not working.
- Poor heating in passenger compartment.