Defect Code 12

Defect Code 12:

*D* Defect Code Memory: 12 Closed-circuit current relay module: Limit value exceeded:

Explanation: This defect code is stored when the general module detects an excessively high closed-circuit consumption for FH or ZV activation in the relay module (RM).

Note: The current is measured 16 minutes after switching off the ignition.

Possible causes:

- Wire RM connector 26-pole Pin 4 to GM connector white Pin 23
- Relay module

Troubleshooting: As displayed on screen