B0100High urgency
Air Bag Diagnostic Monitor Assembly Fault
Safety · Airbag/SRS
⛔ The entire airbag system may be disabled. Service immediately — no crash protection.
What this means
The main SRS control module has detected an internal fault. All airbag and pretensioner deployments are controlled by this module.
Likely causes
- Failed SRS control moduleMost common
- Previous crash not properly repairedCommon
- Voltage spike damageCommon
Estimated repair cost
SRS module replacement and programming$300 – $1,500
SRS module remanufacture$150 – $600
Wiring harness repair$100 – $400
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Frequently asked questions about B0100
What does B0100 mean?
The main SRS control module has detected an internal fault. All airbag and pretensioner deployments are controlled by this module.
Is B0100 serious?
The entire airbag system may be disabled. Service immediately — no crash protection.
How much does it cost to fix B0100?
Repair costs for B0100 range from $300 – $1,500 depending on the root cause and your vehicle.
Can I drive with B0100?
No — this code indicates a serious issue. Stop driving and have the vehicle inspected immediately.