B0086
Passenger Seatbelt Pretensioner Resistance Low
The passenger seatbelt pretensioner loop has below-normal resistance, indicating a partial short.
- Check engine light: Not always
- Emissions related: No
- Repair difficulty: hard
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Common causes
Ordered by how often each turns out to be the cause.
- Partial short in pretensioner leadsCommon
Parts involved
- Passenger Seatbelt Pretensioner
- Srs Seat Wiring
B0086 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.