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B0071
Sistema
Supplemental Restraint (Airbag)
Scanner richiesto
Full-system scanner (engine, ABS, SRS, transmission, service resets)

Front Impact Sensor Internal Fault

Understand B0071, common causes, and the right TOPDON scanner to diagnose it.

Front impact sensor failed internal self-test.

Sintomi comuni

  • Airbag light on
  • Sensor replacement required

Cause tipiche

  • Failed crash sensor
  • Sensor after minor hit
  • Mounting bracket damaged

Di quale scanner hai bisogno?

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

Usa dati live e freeze frame prima di sostituire componenti. I codici ABS, SRS e U richiedono di solito uno scanner full-system.

Consigli diagnostici

  • Registra il freeze frame quando compare il codice
  • Cancella il codice solo dopo aver risolto la causa
  • Controlla codici pending correlati
  • Verifica che la batteria sia sopra 12,4 V prima di sospettare i sensori

Scanner TOPDON consigliati

Domande frequenti

What does B0071 mean?
B0071 indicates front impact sensor internal fault. Front impact sensor failed internal self-test.
Can I diagnose B0071 with a basic code reader?
B0071 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 B0071?
Full-system scanner (engine, ABS, SRS, transmission, service resets) See recommended tools on this page.
Is it safe to drive with B0071?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.