CCU-230 CCU Control Unit Outputs

Condition:





If any of the following outputs short circuit to voltage supply, or overload at a high ambient temperature, the diagnostic trouble code CCU-230 is displayed.
- Buzzer warning signal
- Luggage compartment lid catch
- Side windows down
- Electrically heated rear window

Possible Source:
- Short circuit to voltage supply in the signal wire.
- Overloading of components at high ambient temperatures.

Fault Symptom(s):
- No warning signal when raising/lowering power roof (hood).
- Tail gate (luggage compartment lid) can be opened when raising/lowering power roof (hood).
- Side windows do not raise/lower when raising/lowering power roof (hood).
- Rear window heating does not work.