Network
generic / SAE
U0155
Lost Communication with Instrument Panel Cluster
CAN messages from or to the instrument cluster are missing. The cluster is the user-facing interface — speedometer, tachometer, warning lamps, fuel level, odometer — so failure is immediately visible. On some cars warning lamps from other modules can no longer illuminate either.
SystemNetwork
Typegeneric / SAE
GroupU0
Range / number1 / 55
Possible causes
- Cluster unpowered or fuse blown high
- Cluster internal failure (common on aged TFTs) medium
- Gateway module routing CAN messages incorrectly low
Symptoms
- Multiple warning lights may illuminate
- Affected modules may go into limp mode or shut down
- Specific functions inoperative depending on module
- Diagnostic tools may show communication faults
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 100–1500 €
- Estimated time: 1–5 h
- Component: instrument cluster
- Component: can bus wiring
- MIL / check engine light
Sources
References
sae:J2012