HEA-143

Diagnostic Trouble Code (DTC) Information

Condition







A diagnostic trouble code (DTC) is stored if there is a short-circuit to ground in the outside temperature sensor circuit.

Condition

- The heater is activated regardless of outside temperature.

Possible source

- Short-circuit to ground in signal cable.
- Defective outside temperature sensor.

Condition

- Additional heater starts and runs at incorrect outside temperature.