VOLVO
PSM-003A - Hall sensor 1. Faulty signal. Intermittent fault
System
Power Seat Module (PSM)
Volvo models this fault code applies to
Applies to the following models:
5 modelsS60 (2001–2009), S80 (1999–2006), V70 (2000–2008), V70 XC / XC70 (2001–2007), XC90 (2003–)
What does this fault code mean?
The fault is intermittent: the signal from Hall sensor 1 has on an earlier occasion been faulty, but the fault is not present now. Automatic seat operation then does not work.
Possible causes
- Defective Hall sensor 1
- Internal fault in the seat control module (PSM)
What you can do
- 1Clear the fault code and run the seat to see whether it returns.
- 2If you have a diagnostic tool: run the seat and check that the Hall sensor 1 value counts up and down in both directions.
- 3Check that the connectors to the control module and to the motor with Hall sensor 1 are firmly seated and free from corrosion.
- 4If the fault remains, have a workshop check the motor and the control module.
Symptoms you may notice1
- Automatic seat operation does not work
General guidance for car owners. Diagnosis on the car can point to a different cause.