All codes/B0091

B0091

Passenger Side Pretensioner Stage 2 Deployment Control

Moderate severity

Passenger Side Pretensioner Stage 2 Deployment Control: the restraints module has detected a fault in this airbag/pretensioner deployment circuit, which may prevent correct deployment in a crash. Safety-critical.

Passenger Side Pretensioner Stage 2 Deployment Control: the restraints module has detected a fault in this airbag/pretensioner deployment circuit, which may prevent correct deployment in a crash. Safety-critical.

Common causes

  • Stage 2 squib circuit open or shorted

    One of the most commonly reported causes for this code — check this first.

    high

    Typical part cost: $170-1100

  • Connector under passenger seat damaged

    A plausible cause — test and verify before replacing parts.

    medium

    Typical part cost: $170-1100

  • See all causes + fix costs

    Create a free Wrenchify account to unlock the rest for B0091.

    Unlock causes

    Free forever · No credit card

First things to check

  1. 1Confirm the code with a scan tool and check for additional related codes.
  2. 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 B0091.

Unlock diagnosis

Free forever · No credit card

Related codes

See related trouble codes

Create a free Wrenchify account to unlock the rest for B0091.

Unlock related codes

Free forever · No credit card

Frequently asked questions

What does B0091 mean?

B0091 means "Passenger Side Pretensioner Stage 2 Deployment Control". It is a generic OBD-II code that points to a fault in the body.

What are the most common causes of B0091?

stage 2 squib circuit open or shorted; connector under passenger seat damaged; srs control module fault — 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 B0091 diagnosis for your vehicle

Year, make, model + step-by-step repair help — free plan included.

Diagnose B0091