U0108
Système
Network (CAN Bus)
Scanner requis
Full-system scanner (engine, ABS, SRS, transmission, service resets)

Lost Communication with Alternative Fuel Control Module

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

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

Symptômes courants

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

Causes typiques

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

Quel scanner choisir ?

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

Utilisez les données en direct et le freeze frame avant de remplacer des pièces. Les codes ABS, SRS et U nécessitent souvent un scanner mult systèmes.

Conseils de diagnostic

  • Enregistrez le freeze frame lors de la première apparition du code
  • Effacez le code uniquement après avoir corrigé la cause
  • Vérifiez les codes en attente associés
  • Vérifiez que la batterie est au-dessus de 12,4 V avant de suspecter un capteur

Scanners FOXWELL recommandés

Questions fréquentes

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.
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.