CEM-1A23

Condition
Diagnostic trouble code (DTC) CEM-1A23 is stored if the central electronic module (CEM) registers an open-circuit in the signal cable to relay 2/29 for extended X-supply or that the relay has been incorrectly installed.

Condition
None

Possible source
- Incorrectly installed relay.
- Contact resistance in the relay terminal.

Condition
- Power seat does not operate at all.
- The instrument lighting does not operate.
- No instruments operating.