Communication with the instrument cluster has been lost.
Informational only. Consult a qualified mechanic.
Gauges may not function. Have the cluster and wiring inspected.
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.
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