Damaged or corroded clock spring or spiral cable in the steering column (if the passenger airbag circuit is routed through it); Faulty passenger frontal airbag stage 2 squib (deployment loop) inside the airbag module; Wiring harness damage or chafing between the RCM and the passenger airbag; Loose or corroded connector at the passenger airbag or RCM; Internal failure in the restraint control module (RCM); Aftermarket accessories or previous repairs that disturbed the airbag wiring; Water intrusion or corrosion in the passenger compartment affecting connectors

DTC codes / B00xx · Airbags, seats, doors, lights and comfort systems / B0011

B0011Right Front/Passenger Frontal Stage 2 Deployment Control

Q: What does code B0011 mean?

Right Front/Passenger Frontal Stage 2 Deployment Control. B0011 indicates that the restraint control module (RCM) has detected a fault in the deployment circuit for the right front passenger frontal airbag, stage 2. The RCM monitors the circuit's resistance and continuity and sets this code when the signal falls outside the expected range, which can prevent stage 2 from deploying in a crash.

B0011 indicates that the restraint control module (RCM) has detected a fault in the deployment circuit for the right front passenger frontal airbag, stage 2. The RCM monitors the circuit's resistance and continuity and sets this code when the signal falls outside the expected range, which can prevent stage 2 from deploying in a crash.

SystemBody

Code typeGeneric (all makes)

SeverityHigh

Fix difficultyProfessional

AreaAirbags, seats, doors, lights and comfort systems

Symptoms you may notice

Airbag warning light illuminated on the instrument cluster
Passenger airbag status indicator may show 'off' or 'disabled' even with an occupant present
Often no symptoms besides the warning light
In some vehicles, a chime or message on the driver information center
The airbag system may be disabled entirely, affecting all restraint functions
In rare cases, the passenger airbag may deploy unexpectedly if the circuit is intermittently shorted

Common causes, most likely first

Damaged or corroded clock spring or spiral cable in the steering column (if the passenger airbag circuit is routed through it)
Faulty passenger frontal airbag stage 2 squib (deployment loop) inside the airbag module
Wiring harness damage or chafing between the RCM and the passenger airbag
Loose or corroded connector at the passenger airbag or RCM
Internal failure in the restraint control module (RCM)
Aftermarket accessories or previous repairs that disturbed the airbag wiring
Water intrusion or corrosion in the passenger compartment affecting connectors

How to diagnose and fix it

Verify the code with a scan tool that can read airbag codes and check for related codes in the RCM
Inspect the passenger airbag connectors and wiring for damage, corrosion, or loose pins
Check the clock spring and steering column wiring if the circuit is routed through it
Measure the resistance of the stage 2 deployment circuit at the RCM connector and compare to specification
If resistance is out of range, isolate the airbag from the harness to determine if the fault is in the airbag or wiring
Replace the faulty component (airbag, clock spring, or wiring) as needed
Clear the code and verify the repair with a scan tool and by checking the airbag warning light

Before you replace the passenger airbag

A common cause of B0011 is a damaged clock spring, even though the code refers to the passenger airbag, because some vehicles route the passenger airbag circuit through the steering column.
The code can be set by a loose connector or corroded pins that cause intermittent resistance changes, so always inspect connectors before condemning the airbag.
Aftermarket accessories such as remote starters or alarm systems that tap into wiring can disturb the airbag circuit and set this code.
The RCM itself can fail and set this code, but it is less common than wiring or airbag issues, so rule out those first.
B0011 does not always mean the airbag will not deploy; it may indicate a fault that only affects stage 2 deployment, but the system may still deploy stage 1.

Can I keep driving with B0011?

Because this code affects the supplemental restraint system, the passenger airbag may not deploy correctly in a crash, so have it diagnosed and repaired promptly. Avoid driving with the airbag warning light on if possible, and do not attempt to repair the airbag system without proper training and tools.

Tools that help

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Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.