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.
Fault on the driver seat belt pretensioner B deployment circuit. Pretensioner B is a secondary tightening stage on systems with multi-stage pretensioners.
Common causes
- high
Pretensioner B squib open
One of the most commonly reported causes for this code — check this first.
Typical part cost: $220-1650
See all causes + fix costs
Create a free Wrenchify account to unlock the rest for B0079.
Unlock causesFree forever · No credit card
First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
Get the full step-by-step diagnosis
Create a free Wrenchify account to unlock the rest for B0079.
Unlock diagnosisFree forever · No credit card
Related codes
See related trouble codes
Create a free Wrenchify account to unlock the rest for B0079.
Unlock related codesFree forever · No credit card
Frequently asked questions
What does B0079 mean?
B0079 means "Driver Seat Belt Pretensioner B Deployment Control". It is a generic OBD-II code that points to a fault in the body.
What are the most common causes of B0079?
pretensioner b squib open — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.
Get the full B0079 diagnosis for your vehicle
Year, make, model + step-by-step repair help — free plan included.