OBD Codes List

Diagnostic reference · B00D3

B00D3

Restraint System Malfunction Indicator 2

System
Body control (B code)
Lamp
Airbag Light
Category
Body

What it means

B00D3 means Restraint System Malfunction Indicator 2.

Check these first

  • A second restraint indicator lamp circuit open or short
  • A failed airbag sensor reporting to the cluster
  • Corrosion in the restraint connector behind the dash
  • The SRS module is not sending the indicator command

What to do next

  1. Check the second restraint indicator lamp
  2. Inspect the airbag sensor wiring at the cluster
  3. Clean and reseat the dash restraint connector
  4. Read SRS module live data for the indicator command
  5. Replace the failed airbag sensor or SRS module
  6. Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.