B0079
Driver Seat Belt Pretensioner B Deployment Control
Fault on the driver seat belt pretensioner B deployment circuit. Pretensioner B is a secondary tightening stage on systems with multi-stage pretensioners.
- Check engine light: Yes
- 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.
- Pretensioner B squib openCommon
Parts involved
- Driver Pretensioner B
- Squib Circuit
B0079 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.