VOLVO
KVM-B11C424 - Boot/trunk close button. General Signal Failures. Signal stuck high
System
Keyless Vehicle Module (KVM)
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?
KVM follows the signal sent by the lock button on the tailgate. If the button has been held pressed for too long, the code is stored and locking, unlocking and central locking can stop working. The fault lies in the button or the wiring.
Possible causes
- Damaged lock button
- The signal wire has a short to ground
- The lock button has been held pressed for an unusually long time
What you can do
- 1Read and note the code, clear it and press the tailgate button to see whether locking works
- 2Check that the button returns fully when released and is not damaged
- 3With the ignition off, use a multimeter to check that the wire to the button is not connected to ground (the body)
- 4If you have a diagnostic tool: press the button and check that its value in live data changes between activated and inactive
- 5Have a workshop replace the button if it is damaged and the wire is sound
Symptoms you may notice1
- Locking, unlocking and central locking do not work
General guidance for car owners. Diagnosis on the car can point to a different cause.