B1347
Sistema
Supplemental Restraint (Airbag)
Scanner richiesto
Full-system scanner (engine, ABS, SRS, transmission, service resets)

Ignition Voltage Low — Restraints System

Understand B1347, common causes, and the right FOXWELL scanner to diagnose it.

SRS module detected low ignition supply voltage during operation.

Sintomi comuni

  • Airbag light on after start
  • Multiple U-codes possible

Cause tipiche

  • Weak 12V battery
  • Corroded battery terminals
  • Low voltage during crank

Quale scanner ti serve?

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 spesso uno scanner mult sistema.

Consigli diagnostici

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

Scanner FOXWELL consigliati

Domande frequenti

Can I diagnose B1347 with a basic code reader?
B1347 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 B1347?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.