HEA-826

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 fuel pump circuit.

Condition

- Heater not activated.

Possible source

- Contact resistance in control module or fuel pump connectors.
- Open-circuit in the signal cable.
- Open-circuit in power cable
- Short-circuit to ground in signal cable.
- Defective fuel pump.
- Defective overheat protection thermostat.

Condition

- Poor heating in passenger compartment.