All codes/B004A

B004A

Third Row Right Frontal Stage 2 Deployment Control

Moderate severity

Fault on third-row right frontal airbag, stage 2 deployment.

Fault on third-row right frontal airbag, stage 2 deployment.

Common causes

  • Stage 2 squib circuit open

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

    high

    Typical part cost: $220-1650

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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 B004A mean?

B004A means "Third Row Right Frontal 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 B004A?

stage 2 squib circuit 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.

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