U0155 — Lost Communication With Instrument Panel Cluster (IPC) Control Module
Category: Network / Communication Severity: Medium
Updated:
DTC code U0155 means: Lost Communication With Instrument Panel Cluster (IPC) Control Module. It falls under the "Network / Communication" category, with an estimated severity of Medium. Common causes include failed instrument cluster, blown cluster fuse and loose rear cluster connector; it's worth confirming the diagnosis before replacing parts.
Possible causes
- Failed instrument cluster
- Blown cluster fuse
- Loose rear cluster connector
- Damaged CAN wiring
Symptoms
- Dead cluster or gauges at zero
- Warning lights not working
- Check engine light
How to diagnose it step by step
- Check the cluster fuse.
- Check the rear connector.
- Measure power and ground.
- Repair or replace the cluster.
How to fix it
Check the cluster fuse and connector. If the cluster has failed, it can be repaired (solder joints) or replaced with mileage programming.
Estimated repair cost
Cluster repair: $150–400. New cluster: $400–1,200.
Frequently asked questions
What does DTC code U0155 mean?
Lost Communication With Instrument Panel Cluster (IPC) Control Module.
Is code U0155 serious?
Severity Medium. Not urgent, but worth diagnosing to avoid bigger damage.
Can I keep driving with code U0155?
Carefully: you won't see speed or warning lights.
Related codes
U0151 U0164 U0140 U0121 U0101 U0100
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