U0104
System
Network (CAN Bus)
Wymagany skaner
Full-system scanner (engine, ABS, SRS, transmission, service resets)

Lost Communication with Cruise Control Module

Understand U0104, common causes, and the right TOPDON scanner to diagnose it.

Adaptive or conventional cruise control module offline.

Typowe objawy

  • Cruise inoperative
  • ACC warning
  • Check engine or other lights

Typowe przyczyny

  • Failed cruise module
  • CAN wiring
  • Radar sensor fault on ACC systems
  • Low voltage

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 U0104 mean?
U0104 indicates lost communication with cruise control module. Adaptive or conventional cruise control module offline.
Can I diagnose U0104 with a basic code reader?
U0104 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 U0104?
Full-system scanner (engine, ABS, SRS, transmission, service resets) See recommended tools on this page.
Is it safe to drive with U0104?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.