DDM-B12C602
VOLVO
DDM-B12C602 - Rear Window Lifter Motor Up Relay. General Failure Information. General signal failure
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 feeds the window lift in the rear door through a relay. The fault is stored when the relay for raising the window is active although it should be off, which is caused by the relay being stuck. The window may then behave incorrectly.
Possible causes
- The relay is stuck in the active position
What you can do
- 1Check that the fuses are intact
- 2Read and clear the code, and check whether it returns
- 3Test the rear door window up and down with the switch and check whether it moves when nobody is operating it
- 4If the fault remains, have a workshop with diagnostic equipment check the relay and the rear door module and fix the fault
Symptoms you may notice1
- The window lift does not work, works only partly or works incorrectly
What the fault can affect1
- The control module activates the relay for lowering the window
General guidance for car owners. Diagnosis on the car can point to a different cause.