B0103
Sistema
Supplemental Restraint (Airbag)
Escáner necesario
Full-system scanner (engine, ABS, SRS, transmission, service resets)

Front Impact Sensor Communication Fault

Understand B0103, common causes, and the right FOXWELL scanner to diagnose it.

Front impact sensor not communicating with SRS module.

Síntomas habituales

  • SRS lamp
  • Multiple B-codes after bumper work

Causas típicas

  • Front crash sensor fault
  • Radiator support harness damage
  • Corrosion at sensor

¿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 B0103 with a basic code reader?
B0103 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 B0103?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.