Diagnostic trouble code (DTC) information

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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.

Substitute Value

None

Possible Source

Incorrectly installed relay.
Contact resistance in the relay terminal.

Fault symptom[s]

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