VOLVO
PSM-U300048 - Control Module. System Internal Failures. Supervision software failure
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?
Although the code is named as a supervision software failure, the internal components of the power seat control module (PSM) are not working. The fault lies in the module itself. Seat function is reduced and front seat adjustment may stop working.
Possible causes
- Damaged power seat control module (PSM)
What you can do
- 1Read the codes in the car. If other codes are stored in the seat control module, fault-trace those first
- 2Run the seat in every direction and note which functions still work
- 3Have a workshop load new software into the seat control module
- 4If new software does not help, replace the seat control module (PSM); a workshop should carry out the replacement
Symptoms you may notice2
- Reduced seat function
- Front seat and power seat adjustment do not work
General guidance for car owners. Diagnosis on the car can point to a different cause.