Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code information

Condition




If the glow plug circuit is short-circuited to voltage supply, ground or if there is an open circuit, the control unit will interpret this as a fault, and diagnostic trouble code CEM-5F46 will be set.

Substitute value
- None.

Possible source
- Damaged glow plug.
- Contact resistance in control unit connector.
- Contact resistance in the glow plug's electrical connection.
- Open circuit in signal wire.
- Signal wire short-circuited to ground or voltage supply.

Fault symptom[s]
- Poor interior heating.