VOLVO
DDM-B12DA12 - Blind Spot Warning Indicator. General Electrical Failures. Circuit short to battery
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 driver door module monitors the supply to the LED in the mirror that signals when something is in the blind zone beside the car. The fault is stored when the wire to the LED is short-circuited to supply voltage, so the warning in the mirror does not work.
Possible causes
- The supply wire to the LED is short-circuited to supply voltage
What you can do
- 1Check that the fuses are intact
- 2Check whether the warning lamp in the mirror lights when a vehicle passes through the blind spot
- 3Use a multimeter to check that the wire to the LED has no contact with battery positive
- 4Inspect the cable from the door to the mirror for chafing and pinching
- 5Read and clear the code and road test to see whether it returns
- 6If the fault remains, have a workshop with diagnostic equipment check the control module and the mirror
Symptoms you may notice3
- The LED in the mirror does not light up
- A message is shown in the text display
- The blind spot warning lamp lights up or behaves abnormally
What the fault can affect1
- The warning for objects in the blind spot does not work
General guidance for car owners. Diagnosis on the car can point to a different cause.