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B0040 — Right Side Deployment Control (Curtain)

Right side curtain airbag deployment circuit fault.

Severity: CriticalRepair: $200-$1,000Difficulty: Advanced

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Common symptoms of B0040

Common causes of B0040

Repair cost & difficulty

Typical cost to fix B0040: $200-$1,000 · Difficulty: Advanced

Pro tip: Professional SRS diagnosis required.

Vehicles commonly affected

All makes

Related trouble codes

B0020B0030

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ScanFixAI is a diagnostic aid, not a substitute for professional repair. Cost estimates are typical ranges and vary by vehicle and region.