Zoeken
B0091
Systeem
Supplemental Restraint (Airbag)
Scanner vereist
Full-system scanner (engine, ABS, SRS, transmission, service resets)

Left Side Restraints Sensor Circuit

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

Left side impact or pressure sensor circuit fault.

Veelvoorkomende symptomen

  • Airbag light on

Typische oorzaken

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

Welke scanner heb je nodig?

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

Gebruik live data en freeze frame voordat je onderdelen vervangt. ABS-, SRS- en U-codes vereisen meestal een full-system scanner.

Diagnosetips

  • Leg freeze frame vast wanneer de code voor het eerst verschijnt
  • Wis de code pas na het oplossen van de oorzaak
  • Controleer op gerelateerde pending codes
  • Controleer of accuspanning boven 12,4 V is voordat je sensoren suspecteert

Aanbevolen TOPDON scanners

Veelgestelde vragen

What does B0091 mean?
B0091 indicates left side restraints sensor circuit. Left side impact or pressure sensor circuit fault.
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.
Which TOPDON scanner do I need for B0091?
Full-system scanner (engine, ABS, SRS, transmission, service resets) See recommended tools on this page.
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.