CEM-1A04

Condition

Diagnostic trouble code (DTC) CEM-1A04 is stored if the central electronic module (CEM) registers an open-circuit or a short-circuit to ground in the X-supply.

Substitute value

- None.

Possible source

- Contact resistance in terminals.
- Open-circuit or short-circuit to ground in X-supply.
- Defective ignition switch.

Fault symptom[s]

- Blower fan not operating.
- The radio is not working.
- The starter motor does not turn.