All codes/B0090

B0090

Driver Side Pretensioner Stage 2 Deployment Control

Moderate severity

Driver 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.

Driver 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 driver seat damaged

    A plausible cause — test and verify before replacing parts.

    medium

    Typical part cost: $170-1100

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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.

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Related codes

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Frequently asked questions

What does B0090 mean?

B0090 means "Driver 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 B0090?

stage 2 squib circuit open or shorted; connector under driver 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.

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