Zoeken
U0155
Systeem
Network (CAN Bus)
Scanner vereist
Full-system scanner (engine, ABS, SRS, transmission, service resets)

Lost Communication with Instrument Panel Cluster

Understand U0155, common causes, and the right TOPDON scanner to diagnose it.

The ECM or another module cannot communicate with the instrument cluster. Often appears with other U-codes after battery disconnect or low voltage.

Veelvoorkomende symptomen

  • Gauge or display anomalies
  • Multiple warning lights
  • Intermittent no-start

Typische oorzaken

  • Low system voltage
  • Faulty instrument cluster
  • CAN wiring issue
  • Corrosion in connector at cluster

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 U0155 mean?
U0155 indicates lost communication with instrument panel cluster. The ECM or another module cannot communicate with the instrument cluster. Often appears with other U-codes after battery disconnect or low voltage.
Can I diagnose U0155 with a basic code reader?
U0155 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 U0155?
Full-system scanner (engine, ABS, SRS, transmission, service resets) See recommended tools on this page.
Is it safe to drive with U0155?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.