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B1051
System
Supplemental Restraint (Airbag)
Benötigter Scanner
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.

Häufige Symptome

  • Airbag light on

Typische Ursachen

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

Welchen Scanner brauchen Sie?

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

Nutzen Sie Live-Daten und Freeze Frame, bevor Sie Teile tauschen. ABS-, SRS- und U-Codes erfordern meist einen Vollsystem-Scanner.

Diagnose-Tipps

  • Freeze Frame erfassen, wenn der Code erstmals gesetzt wird
  • Code erst nach Behebung der Ursache löschen
  • Auf verwandte pending codes prüfen
  • Batteriespannung über 12,4 V prüfen, bevor Sie Sensoren verdächtigen

Empfohlene TOPDON Scanner

Häufig gestellte Fragen

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.