Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information

Condition
Diagnostic trouble code (DTC) CEM-1C04 is stored if the central electronic module (CEM) registers that the 30-supply to the central electronic module (CEM) terminals #3E and #6E is too high.

Substitute value
None.

Possible source
- Defective generator (GEN)
- Defective battery.

Fault symptom[s]
- The "Generator not charging" warning lamp is lit when the engine is running
- The headlamp bulb blows
- 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.