Zoeken
B0103
Systeem
Supplemental Restraint (Airbag)
Scanner vereist
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.

Veelvoorkomende symptomen

  • SRS lamp
  • Multiple B-codes after bumper work

Typische oorzaken

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

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 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.