Lost Communication with Instrument Cluster
Communication with the instrument cluster has been lost.
Informational only. Consult a qualified mechanic.
- Faulty instrument cluster
- CAN bus wiring
- Connector issue
Gauges may not function. Have the cluster and wiring inspected.
What does U0155 mean?
The U0155 OBD-II diagnostic trouble code (DTC) indicates: lost communication with instrument cluster. This is a medium-severity network code that your vehicle's onboard diagnostics system triggers when communication with the instrument cluster has been lost. If your check engine light is on with this code, the vehicle is generally safe to drive, but you should have it inspected soon.
Use Your Service Book to log this diagnostic trouble code to your vehicle's service history, track repairs, and get maintenance reminders — all for free.
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