VOLVO
PDM-B12DA11 - Blind Spot Warning Indicator. General Electrical Failures. Circuit short to ground
System
Passenger Door Module (PDM)
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 DDM keeps watch on the power feed to the LED that signals when something sits in the blind spot. The module has detected that the supply cable to the LED is shorted to ground.
Possible causes
- Supply cable to the LED is shorted to ground
What you can do
- 1Read the code, clear it and run a test drive to see whether the blind spot warning LED works and whether the code comes back
- 2Check the fuses in the fuse box; if a fuse has blown, look for a short to ground before a new fuse is fitted
- 3Check the connectors at the LED and the door module for moisture, oxidation and loose contact
- 4Use a multimeter to check that the supply cable to the LED has no contact with ground (the body)
- 5If you have diagnostic equipment, activate the blind spot warning LED and check that it lights
- 6If the wire is intact but the code comes back: have a workshop check the LED and the driver door module
Symptoms you may notice3
- The blind spot LED does not light
- A message is shown in the information display
- Warning lights and chimes come on or behave abnormally
What the fault can affect1
- The power supply to the LED stops
General guidance for car owners. Diagnosis on the car can point to a different cause.