B0102
Sistema
Supplemental Restraint (Airbag)
Escáner necesario
Full-system scanner (engine, ABS, SRS, transmission, service resets)

Impact Sensor Circuit Malfunction

Understand B0102, common causes, and the right FOXWELL scanner to diagnose it.

Front or side impact sensor circuit fault — second impact sensor ID on some networks.

Síntomas habituales

  • Airbag light on
  • Sensor may need replacement after crash

Causas típicas

  • Failed impact sensor
  • Wiring after front-end repair
  • Sensor mounting loose

¿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 B0102 with a basic code reader?
B0102 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 B0102?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.