Defect Code 31

General Malfunction

Note: The BMW diagnostic system provides the option of checking the entire function range of the central locking module via the symbol *D* test procedure (BMW MoDIC *D* status monitoring and *D* component activation).

Troubleshooting

Proceed as follows in the case of malfunctions:

- *D* defect code memory is a defect code stored? If necessary, rectify defect as shown on display screen.

- If no defect code is stored, select *D* test procedure. Select central locking system in the test procedure. Carefully read and observe all information provided on screen. Perform all checks. If a defect is found, more detailed information can be called up with down arrow.