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Code

U0155

Network

Lost communication with instrument panel cluster

Modules cannot communicate with the instrument cluster.

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Most likely causes

Cluster power fault
CAN wiring fault
Failed cluster

Symptoms you may notice

Gauges dead
Warning lights missing

Checks to run

Check cluster fuses
Test CAN wiring
Scan the cluster

Tools you may need

Multimeter OBD-II scanner

Always diagnose before replacing. Codes share symptoms; confirm the cause with measurements before buying parts.

Related codes in Network

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Lost communication with ABS control module

Lost communication with transmission control module

High-speed CAN communication bus

Control module communication bus off

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