VOLVO
SRS-B00521D - Passenger Seatbelt Sensor. General Electrical Failures. Circuit current out of range
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 code means that the current in the circuit to the front passenger seat belt buckle is incorrect. It can be caused by shorted wires, short circuits in the connections, or a damaged seat belt buckle.
Possible causes
- The wires are short-circuited.
- Short circuit in the connections.
- Damaged seat belt buckle.
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 connectors at the control module and at the seat belt buckle for looseness, oxidation and poor contact.
- 3Have a workshop check the wire to the seat belt buckle for a short circuit to voltage.
- 4Have a workshop replace the front passenger seat belt buckle if it is damaged or the fault is still present.
- 5Do not work on 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
- Warning symbol and text message 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.