Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information CEM-1A65

Condition
The central electronic module (CEM) checks the communication with the suspension module (SUM).
Diagnostic trouble code (DTC) CEM-1A65 is stored in the central electronic module (CEM) if it registers a fault in the communication with the suspension module (SUM).
Diagnostic trouble code (DTC) CEM-1A65 can be detected when the ignition is on for at least 10 seconds and the battery voltage is > 10.5 volts.

Substitute value
- None.

Possible source
- No power supply to the suspension module (SUM)
- Contact resistance in the terminals
- Open-circuit in the control area network (CAN) bus
- Defective Suspension Module (SUM).

Fault symptom[s]
- General warning lamp lit
- Four-C does not work.