B0056
Right Curtain Deployment Loop Open
The right curtain airbag deployment circuit shows an open condition; the curtain on the passenger side cannot deploy.
The right curtain airbag deployment circuit shows an open condition; the curtain on the passenger side cannot deploy.
Common causes
- high
Broken roof wiring
One of the most commonly reported causes for this code — check this first.
Typical part cost: $220-1650
- medium
Unseated curtain connector
A plausible cause — test and verify before replacing parts.
Typical part cost: $220-1650
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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.
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Related codes
See related trouble codes
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Frequently asked questions
What does B0056 mean?
B0056 means "Right Curtain Deployment Loop Open". It is a generic OBD-II code that points to a fault in the body.
What are the most common causes of B0056?
broken roof wiring; unseated curtain connector — 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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