VOLVO
PDM-B108783 - LIN Bus "A". Bus Signal / Message Failures. Value of signal protection calculation incorrect
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 passenger door module (PDM) sends and receives information over the LIN bus to the control module in the left or right rear door, depending on whether the car is left- or right-hand drive. It has registered that the transmitted information has been corrupted, because the checksum does not match. The fault can affect the electric windows and central locking.
Possible causes
- Communication interference
What you can do
- 1Check that the fuses are intact
- 2Try the windows, the central locking and the switches in the doors to see which functions work
- 3Look for damage and loose connections in the wiring harness to the rear doors
- 4If you have a diagnostic tool, read the fault codes in the passenger door module and the rear door modules and see which of them have fault codes
- 5Remedy as needed, then road test the car to see whether the fault code returns
Symptoms you may notice4
- Electric windows do not work, work reduced or work incorrectly
- Central locking with the button in the door panel does not work
- Locking and unlocking with the central locking does not work
- Switch indication does not work
General guidance for car owners. Diagnosis on the car can point to a different cause.