U0148
Systeem
Network (CAN Bus)
Scanner vereist
Full-system scanner (engine, ABS, SRS, transmission, service resets)

Lost Communication With Gateway C

Understand U0148, common causes, and the right FOXWELL scanner to diagnose it.

Tertiary gateway communication loss on luxury and commercial platforms with segmented networks.

Veelvoorkomende symptomen

  • Isolated system failures
  • Multiple warning lamps

Typische oorzaken

  • Failed gateway C
  • CAN-H/CAN-L damage
  • Module shorting subnet

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 FOXWELL scanners

Veelgestelde vragen

Can I diagnose U0148 with a basic code reader?
U0148 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 U0148?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.