VOLVO
PSM-003C - Hall sensor 3. 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 control module has on an earlier occasion registered signal pulses from Hall sensor 3 although motor 3 was switched off. The fault is not present now. Automatic seat operation then does not work.
Possible causes
- Defective Hall sensor 3
What you can do
- 1Read out the fault code, clear it and run the seat as usual to see whether it returns.
- 2If you have a diagnostic tool: check that Hall sensor 3 does not count while motor 3 is switched off.
- 3Look at the connector to motor 3, check that it is firmly seated and look for signs of corrosion.
- 4If the fault remains, have a workshop replace the motor with Hall sensor 3.
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.