Szukaj
U0108
System
Network (CAN Bus)
Wymagany skaner
Full-system scanner (engine, ABS, SRS, transmission, service resets)

Lost Communication with Alternative Fuel Control Module

Understand U0108, common causes, and the right TOPDON scanner to diagnose it.

Alternative fuel (CNG/LPG) control module not communicating.

Typowe objawy

  • Engine won't run on alt fuel
  • Warning lights

Typowe przyczyny

  • Failed alt fuel module
  • CAN fault
  • Empty or switched fuel system

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 U0108 mean?
U0108 indicates lost communication with alternative fuel control module. Alternative fuel (CNG/LPG) control module not communicating.
Can I diagnose U0108 with a basic code reader?
U0108 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 U0108?
Full-system scanner (engine, ABS, SRS, transmission, service resets) See recommended tools on this page.
Is it safe to drive with U0108?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.