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B1051
Systeem
Supplemental Restraint (Airbag)
Scanner vereist
Full-system scanner (engine, ABS, SRS, transmission, service resets)

Pretensioner Deployment Control — Passenger

Understand B1051, common causes, and the right TOPDON scanner to diagnose it.

Passenger seat belt pretensioner circuit fault.

Veelvoorkomende symptomen

  • Airbag light on

Typische oorzaken

  • Passenger pretensioner connector
  • Seat swap without transferring occupancy sensor
  • Wiring fault

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 B1051 mean?
B1051 indicates pretensioner deployment control — passenger. Passenger seat belt pretensioner circuit fault.
Can I diagnose B1051 with a basic code reader?
B1051 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 B1051?
Full-system scanner (engine, ABS, SRS, transmission, service resets) See recommended tools on this page.
Is it safe to drive with B1051?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.