Szukaj
B1620
System
Supplemental Restraint (Airbag)
Wymagany skaner
Full-system scanner (engine, ABS, SRS, transmission, service resets)

Passenger Airbag Deactivation Switch Circuit

Understand B1620, common causes, and the right TOPDON scanner to diagnose it.

Passenger airbag cut-off switch circuit fault.

Typowe objawy

  • Passenger airbag off light incorrect
  • SRS lamp

Typowe przyczyny

  • Failed cut-off switch in dash
  • Key switch style disable fault
  • Wiring in console

Jakiego skanera potrzebujesz?

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

Użyj danych na żywo i freeze frame przed wymianą części. Kody ABS, SRS i U zwykle wymagają skanera full-system.

Wskazówki diagnostyczne

  • Zapisz freeze frame, gdy pojawi się kod
  • Kasuj kod dopiero po usunięciu przyczyny
  • Sprawdź powiązane kody pending
  • Sprawdź, czy napięcie akumulatora jest powyżej 12,4 V przed podejrzeniem czujników

Polecane skanery TOPDON

Często zadawane pytania

What does B1620 mean?
B1620 indicates passenger airbag deactivation switch circuit. Passenger airbag cut-off switch circuit fault.
Can I diagnose B1620 with a basic code reader?
B1620 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 B1620?
Full-system scanner (engine, ABS, SRS, transmission, service resets) See recommended tools on this page.
Is it safe to drive with B1620?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.