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B1122
Systeem
Supplemental Restraint (Airbag)
Scanner vereist
Full-system scanner (engine, ABS, SRS, transmission, service resets)

Passenger Airbag Squib 2 Circuit

Understand B1122, common causes, and the right TOPDON scanner to diagnose it.

Passenger dual-stage airbag second squib circuit.

Veelvoorkomende symptomen

  • SRS lamp

Typische oorzaken

  • Passenger module stage 2 fault
  • Harness in dash
  • Prior deployment repair incomplete

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 B1122 mean?
B1122 indicates passenger airbag squib 2 circuit. Passenger dual-stage airbag second squib circuit.
Can I diagnose B1122 with a basic code reader?
B1122 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 B1122?
Full-system scanner (engine, ABS, SRS, transmission, service resets) See recommended tools on this page.
Is it safe to drive with B1122?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.