B0091
Système
Supplemental Restraint (Airbag)
Scanner requis
Full-system scanner (engine, ABS, SRS, transmission, service resets)

Left Side Restraints Sensor Circuit

Understand B0091, common causes, and the right FOXWELL scanner to diagnose it.

Left side impact or pressure sensor circuit fault.

Symptômes courants

  • Airbag light on

Causes typiques

  • Left B-pillar sensor
  • Door harness damage
  • Sensor after minor collision

Quel scanner choisir ?

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

Utilisez les données en direct et le freeze frame avant de remplacer des pièces. Les codes ABS, SRS et U nécessitent souvent un scanner mult systèmes.

Conseils de diagnostic

  • Enregistrez le freeze frame lors de la première apparition du code
  • Effacez le code uniquement après avoir corrigé la cause
  • Vérifiez les codes en attente associés
  • Vérifiez que la batterie est au-dessus de 12,4 V avant de suspecter un capteur

Scanners FOXWELL recommandés

Questions fréquentes

Can I diagnose B0091 with a basic code reader?
B0091 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 B0091?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.