VOLVO
SRS-B00A04A - Occupant Classification System. Component Failures. Incorrect component installed
System
Supplemental Restraint System (SRS)
Volvo models this fault code applies to
Applies to the following models:
5 modelsS60 (2011–), S80 (2007–), V70 (2008–), XC60 (2009–), XC70 (2008–)
Show models by year and engine (5)
What does this fault code mean?
The supplemental restraint system module (SRS) checks the occupant weight sensor (OWS). The code is stored when the occupant weight sensor sends fault messages. The cause may be that the occupant weight sensor is wrongly installed.
Possible causes
- The occupant weight sensor is wrongly installed
What you can do
- 1Read and note the code, clear it, and see whether it returns
- 2Have a workshop check that the components in the occupant weight sensor system are correctly installed
- 3If no fault is found, have a workshop replace the occupant weight sensor and calibrate it after replacement
- 4Do not work on the airbag system yourself; have a workshop check it
Symptoms you may notice2
- Supplemental restraint system warning lights and chimes come on or behave abnormally
- A warning symbol and a text message are shown
General guidance for car owners. Diagnosis on the car can point to a different cause.