Driver Side Curtain Airbag Deployment Control
What does B0007 mean?
The B0007 code means the vehicle's onboard diagnostic system has detected: Driver Side Curtain Airbag Deployment Control. This is a critical severity code.
Common Symptoms
- Airbag warning light on
- SRS fault message displayed
- Curtain airbag system disabled
- Warning chime at vehicle start
- Safety inspection failure
Probable Causes (Ranked by Likelihood)
- Faulty curtain airbag module in headliner Very High
- Damaged wiring in A-pillar or roof area High
- Corroded connector at curtain airbag Moderate
- SRS control module malfunction Moderate
- Aftermarket sunroof installation damaging wiring Low
Step-by-Step Diagnostic Procedure
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Scan SRS system for all fault codes
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Inspect curtain airbag connector in A-pillar area
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Check wiring along roofline and A-pillar for damage
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Measure curtain airbag squib resistance
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Test SRS module communication with curtain airbag circuit
Frequently Asked Questions
What does a curtain airbag do?
A curtain airbag deploys from the roofline to cover the side windows, protecting occupants' heads during side impacts and rollovers.
Can water leaks cause this code?
Yes. Water intrusion through sunroof drains or windshield seals can reach curtain airbag connectors in the A-pillar, causing corrosion and faults.
How difficult is curtain airbag replacement?
Curtain airbag replacement requires removing headliner trim and A-pillar covers. It is labor-intensive and should only be done by trained technicians.