VOLVO
PSM-B1B9424 - Seat Height Up Switch. General Signal Failures. Signal stuck high
System
Power Seat Module (PSM)
Volvo models this fault code applies to
Applies to the following models:
9 modelsS60 (2011–), S80 (2007–), V40 (2013–), V40 Cross Country (2013–), V60 (2011–), V60 Cross Country (2015–), V70 (2008–), XC60 (2009–), XC70 (2008–)
What does this fault code mean?
The fault code means the control M3+, which raises the seat, has been activated for too long. Seat height adjustment then does not work, and the seat functions are reduced.
Possible causes
- Control M3+ has jammed in the pressed position
- Damaged control panel
What you can do
- 1Check that control M3+ has not jammed in the pressed position and that it returns when released.
- 2Clear away dirt or anything else that may hold the control down.
- 3Clear the fault code and run the seat as usual to see whether it comes back.
- 4If the control panel is damaged, have a workshop replace it.
Symptoms you may notice3
- Reduced seat function
- Seat height adjustment does not work
- Electric seat adjustment and folding of the front seat do not work
General guidance for car owners. Diagnosis on the car can point to a different cause.