Code
B1231
Airbags
SRS deployment command — side airbag
The SRS module recorded a fault in the side airbag circuit. See a specialist.
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Most likely causes
- Side airbag circuit fault
- Corroded connector
- Low voltage
Symptoms you may notice
- Airbag warning light
Checks to run
- Read SRS codes
- Inspect side airbag connectors
- Check battery voltage
Tools you may need
SRS scan tool
Always diagnose before replacing. Codes share symptoms; confirm the cause with measurements before buying parts.