U0155
NetworkModule Communicationmoderate severityLost Communication with Instrument Panel Cluster
What U0155 Means
Cannot communicate with the instrument cluster.
Symptoms
- Gauges not working
- No speedometer/tachometer
- Warning lights erratic
Common Causes
- Cluster power failure
- CAN bus issue
- Cluster failure
Diagnostic Steps
- Check cluster fuses
- Test power supply
- Check CAN wiring
Where to start: Check fuses. Instrument cluster may need replacement or repair.
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