Zoeken
B0012
Systeem
Supplemental Restraint (Airbag)
Scanner vereist
Full-system scanner (engine, ABS, SRS, transmission, service resets)

Driver Knee Airbag Deployment Control

Understand B0012, common causes, and the right TOPDON scanner to diagnose it.

Driver knee airbag squib circuit fault — knee bolster may not deploy.

Veelvoorkomende symptomen

  • Airbag/SRS light on

Typische oorzaken

  • Knee airbag module fault
  • Wiring under dash
  • Prior partial deployment

Welke scanner heb je nodig?

Full-system scanner (engine, ABS, SRS, transmission, service resets)

Gebruik live data en freeze frame voordat je onderdelen vervangt. ABS-, SRS- en U-codes vereisen meestal een full-system scanner.

Diagnosetips

  • Leg freeze frame vast wanneer de code voor het eerst verschijnt
  • Wis de code pas na het oplossen van de oorzaak
  • Controleer op gerelateerde pending codes
  • Controleer of accuspanning boven 12,4 V is voordat je sensoren suspecteert

Aanbevolen TOPDON scanners

Veelgestelde vragen

What does B0012 mean?
B0012 indicates driver knee airbag deployment control. Driver knee airbag squib circuit fault — knee bolster may not deploy.
Can I diagnose B0012 with a basic code reader?
B0012 may set in the engine module, but related diagnostics often benefit from an enhanced or full-system scanner with live data and freeze frame.
Which TOPDON scanner do I need for B0012?
Full-system scanner (engine, ABS, SRS, transmission, service resets) See recommended tools on this page.
Is it safe to drive with B0012?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.