CEM-1C01

Condition

Diagnostic trouble code (DTC) CEM-1C01 is stored if the control module registers that the L signal is high or missing, or that a regulator fault has occurred.

Substitute value

- None.

Possible source

- The generator (GEN) is not charging because of a missing energy source, a faulty central electronic module or faulty diode.

Fault symptom[s]

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