CEM-1C05

Condition

Diagnostic trouble code (DTC) CEM-1C05 is stored if the central electronic module (CEM) registers that the 30-supply to central electronic module (CEM) terminals #3E and #6E is low.

Substitute value

- None.

Possible source

- Contact resistance or loose connections in the terminals.
- Low battery voltage, poor battery or the battery needs charging.
- Defective generator (GEN).

Fault symptom[s]

- The "Generator not charging" warning lamp is lit with the engine running
- The headlamp bulbs blow.
- The "Generator not charging" warning lamp is not lit when the ignition is switched on.
- Low rotation speed in the starter motor.
- The electrolyte in battery boils with the engine running.
- The battery discharges.