Tag
#airbag
4 posts in Car Diagnostics blog about "airbag" — OBD-II diagnostics, DTC codes, repair. ← All posts
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B0001 to B0100: airbag and restraint system codes explained
The one system where a warning lamp means a device may not deploy when you need it. Generic OBD-II usually cannot even see these codes.
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U0151: lost communication with the restraints control module
The airbag module has stopped answering, which means nothing can confirm the restraint system will work. That makes this a code with a deadline.
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Airbag light on: causes, and why generic scanners often miss it
An illuminated SRS lamp means the airbags are disabled and will not deploy. The cause is usually a connector under a seat, and the code is usually invisible to a basic reader.
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B1000 and friends: reading body control codes without guessing
B-codes cover airbags, locks, lighting and climate, and they are almost entirely manufacturer-specific. Knowing that changes how you read them and what tool you need.