OBD-II code · Body
B0140 Passenger Seatbelt Tension Sensor Circuit
The passenger seatbelt tension sensor circuit is faulty.
Is it safe to drive with B0140?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyTension sensor fault
- PossibleLoose sensor connector
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–2 h
- Emissions test
- Usually unaffected
- Parts involved
- Passenger Seatbelt Tension Sensor, Srs Control Module
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.