VOLVO
SRS-025B - Occupant weight sensor (OWS). Signal too low
System
Supplemental Restraint System (SRS)
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 supplemental restraint system (SRS) has received a message that the voltage in the occupant weight sensor (OWS) is too low. The fault concerns the signal in the sensor system, which includes the seat belt force sensor. The passenger airbag is deactivated, and the SRS and PAD lamps come on.
Possible causes
- Short to ground in the signal wire or plugs between the parts of the OWS
- Damaged seat belt force sensor
What you can do
- 1Read and clear the code, and check whether it returns after a restart
- 2Have a workshop inspect the wires from the OWS module to the belt force sensor for a short to ground
- 3Have a workshop replace the seat belt force sensor if no short-circuit is found
- 4Do not work on the airbag system yourself; have a workshop carry out all work on the SRS and airbags
Symptoms you may notice2
- SRS warning lamp on
- Passenger airbag deactivation (PAD) lamp on
What the fault can affect1
- The passenger airbag is deactivated
General guidance for car owners. Diagnosis on the car can point to a different cause.