VOLVO
DDM-B12BB11 - Lock Status LED - Rear. General Electrical Failures. Circuit short to ground
System
Driver Door Module (DDM)
Volvo models this fault code applies to
Applies to the following models:
5 modelsS60 (2011–), V40 (2013–), V40 Cross Country (2013–), V60 (2011–), V60 Cross Country (2015–)
What does this fault code mean?
The rear door module supplies the lock status LED in the central locking button in the rear door and informs the driver and passenger door modules. The fault is stored when the voltage on the signal wire is too low, which is caused by the supply wire having contact with ground, or by moisture and oxidation in the connections. The lamp then stops lighting.
Possible causes
- The supply wire is short-circuited to ground
- Moisture and/or oxidation in the connections
What you can do
- 1Check that the fuses are intact
- 2Check whether the lamp in the central locking button in the rear door lights up when the car is locked and unlocked
- 3Check the connector to the button in the rear door for moisture, oxidation and chafing on the cable
- 4Use a multimeter to check that the wire to the lamp has no contact with ground
- 5Read and clear the code, and check whether it returns
- 6If the fault remains, have a workshop with diagnostic equipment check the rear door module and the button
Symptoms you may notice1
- The indicator lamp in the central locking button does not work
What the fault can affect1
- The module stops supplying the lamp in the lock button in the rear door
General guidance for car owners. Diagnosis on the car can point to a different cause.