B0131
Sistema
Supplemental Restraint (Airbag)
Escáner necesario
Full-system scanner (engine, ABS, SRS, transmission, service resets)

Passenger Seat Belt Buckle Pretensioner Circuit

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

Passenger buckle pretensioner circuit malfunction.

Síntomas habituales

  • Airbag light on

Causas típicas

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

¿Qué escáner necesita?

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

Use datos en vivo y freeze frame antes de cambiar piezas. Códigos ABS, SRS y U suelen requerir un escáner de todos los sistemas.

Consejos de diagnóstico

  • Registre el freeze frame cuando se active el código
  • Borre el código solo tras corregir la causa
  • Revise códigos pendientes relacionados
  • Verifique que la batería esté por encima de 12,4 V antes de sospechar sensores

Escáneres FOXWELL recomendados

Preguntas frecuentes

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.
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.