Sök
B0131
System
Supplemental Restraint (Airbag)
Scanner som krävs
Full-system scanner (engine, ABS, SRS, transmission, service resets)

Passenger Seat Belt Buckle Pretensioner Circuit

Understand B0131, common causes, and the right TOPDON scanner to diagnose it.

Passenger buckle pretensioner circuit malfunction.

Vanliga symptom

  • Airbag light on

Typiska orsaker

  • Passenger buckle assembly
  • Connector under seat
  • Occupancy sensor harness conflict

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 B0131 mean?
B0131 indicates passenger seat belt buckle pretensioner circuit. Passenger buckle pretensioner circuit malfunction.
Can I diagnose B0131 with a basic code reader?
B0131 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 B0131?
Full-system scanner (engine, ABS, SRS, transmission, service resets) See recommended tools on this page.
Is it safe to drive with B0131?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.