VOLVO
SRS-B00731B - Second Row Left Seatbelt Pretensioner Deployment Control. General Electrical Failures. Circuit resistance above threshold
System
Supplemental Restraint System (SRS)
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?
The fault applies to the rear left seat belt pretensioner and is stored when the resistance in the circuit is too high. The causes may be poor contact in the connector, a break in the wire, contact resistance or oxidation in the connections, or a break in the pretensioner.
Possible causes
- Poor contact in the seat belt pretensioner connector.
- Break in the wire.
- Contact resistance or oxidation in the connections.
- Break in the rear left seat belt pretensioner, in its igniter part.
What you can do
- 1Read out the fault code and clear it. If it comes back, the fault is still present.
- 2Have a workshop check the connector and connections to the rear left pretensioner for looseness and oxidation.
- 3Have a workshop check the wire to the pretensioner for a break.
- 4Have a workshop replace the rear left pretensioner if the wire and connectors are intact.
- 5Do not work on seat belt pretensioners or the airbag system yourself; have a workshop carry out the checks.
Symptoms you may notice4
- SRS warning light on
- SRS warning message shown in the display
- Text window and warning symbol in the display
- Warning lights and chimes for the airbag system come on or behave abnormally
General guidance for car owners. Diagnosis on the car can point to a different cause.