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B1122
Sistema
Supplemental Restraint (Airbag)
Scanner richiesto
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.

Sintomi comuni

  • SRS lamp

Cause tipiche

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

Di quale scanner hai bisogno?

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

Usa dati live e freeze frame prima di sostituire componenti. I codici ABS, SRS e U richiedono di solito uno scanner full-system.

Consigli diagnostici

  • Registra il freeze frame quando compare il codice
  • Cancella il codice solo dopo aver risolto la causa
  • Controlla codici pending correlati
  • Verifica che la batteria sia sopra 12,4 V prima di sospettare i sensori

Scanner TOPDON consigliati

Domande frequenti

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.