HEA-821

Diagnostic Trouble Code (DTC) Information

Condition







A diagnostic trouble code (DTC) is stored if there is a short-circuit to supply voltage in the water pump circuit.

Condition

- Any engine block heater function will be shut down.

Possible source

- Short-circuit to supply voltage in signal cable.
- Defective water pump.

Condition

- Engine block heater not working.
- Poor heating in passenger compartment.