U0155Medium urgency
Lost Communication with Instrument Panel Cluster
Network · CAN Bus
⚠️ You cannot monitor speed, fuel, or warning lights. Do not drive at highway speed without a speedometer. Service within a few days.
What this means
The instrument panel cluster (speedometer, tachometer, warning lights) has lost CAN bus communication and may go completely dark.
Likely causes
- Failed instrument clusterMost common
- CAN bus wiring fault to clusterCommon
- Cluster power or ground faultCommon
Estimated repair cost
Instrument cluster replacement$200 – $800
CAN bus repair$150 – $500
Power/ground repair$80 – $250
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Frequently asked questions about U0155
What does U0155 mean?
The instrument panel cluster (speedometer, tachometer, warning lights) has lost CAN bus communication and may go completely dark.
Is U0155 serious?
You cannot monitor speed, fuel, or warning lights. Do not drive at highway speed without a speedometer. Service within a few days.
How much does it cost to fix U0155?
Repair costs for U0155 range from $200 – $800 depending on the root cause and your vehicle.
Can I drive with U0155?
You can drive short distances but should have it repaired within 1–2 weeks to prevent further damage.