OBD-II code · Body
B0064 Driver Seat Belt Tension Sensor
The SRS module has detected a fault in the driver seat belt tension sensor. This sensor measures belt load and is used by adaptive restraint systems to scale airbag deployment force based on occupant size.
Is it safe to drive with B0064?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyBelt tension sensor failed
- PossibleWiring or connector fault
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–2 h
- Emissions test
- Usually unaffected
- Parts involved
- Seat Belt Tension Sensor, Srs Control Module, Srs Wiring
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.