B0103
System
Supplemental Restraint (Airbag)
Wymagany skaner
Full-system scanner (engine, ABS, SRS, transmission, service resets)

Front Impact Sensor Communication Fault

Understand B0103, common causes, and the right TOPDON scanner to diagnose it.

Front impact sensor not communicating with SRS module.

Typowe objawy

  • SRS lamp
  • Multiple B-codes after bumper work

Typowe przyczyny

  • Front crash sensor fault
  • Radiator support harness damage
  • Corrosion at sensor

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 B0103 mean?
B0103 indicates front impact sensor communication fault. Front impact sensor not communicating with SRS module.
Can I diagnose B0103 with a basic code reader?
B0103 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 B0103?
Full-system scanner (engine, ABS, SRS, transmission, service resets) See recommended tools on this page.
Is it safe to drive with B0103?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.