Sök
B0012
System
Supplemental Restraint (Airbag)
Scanner som krävs
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.

Vanliga symptom

  • Airbag/SRS light on

Typiska orsaker

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

Vilken scanner behöver du?

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

Använd live-data och freeze frame innan du byter delar. ABS-, SRS- och U-koder kräver oftast en fullsystems-scanner.

Diagnostiktips

  • Spara freeze frame när koden först sätts
  • Rensa koden först efter att orsaken är åtgärdad
  • Kontrollera relaterade väntande koder
  • Verifiera batterispänning över 12,4 V innan du misstänker sensorer

Rekommenderade TOPDON-scannrar

Vanliga frågor

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.