U0155
Lost Communication with Instrument Panel Cluster
2002-2005 Audi A4 3.0L V6
Moderate SeverityNetworkGeneric (SAE)
Description
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
Repair Notes
Check fuses. Instrument cluster may need replacement or repair.
Other Network Codes
- U0001High Speed CAN Communication Bus
- U0002High Speed CAN Communication Bus Performance
- U0003High Speed CAN Communication Bus (+) Open
- U0004High Speed CAN Communication Bus (+) Low
- U0005High Speed CAN Communication Bus (+) High
- U0006High Speed CAN Communication Bus (-) Open
- U0007High Speed CAN Communication Bus (-) Low
- U0008High Speed CAN Communication Bus (-) High
- U0009High Speed CAN Communication Bus Shorted Together
- U0010Medium Speed CAN Communication Bus
U0155 on Other Vehicles
Common Questions
What does code U0155 mean on a 2002-2005 Audi A4?
U0155 stands for "Lost Communication with Instrument Panel Cluster". Cannot communicate with the instrument cluster.
What are the symptoms of U0155 on a Audi A4?
Common symptoms of U0155 include: Gauges not working, No speedometer/tachometer, Warning lights erratic.
What causes U0155 on a 2002-2005 Audi A4?
Common causes of U0155 include: Cluster power failure, CAN bus issue, Cluster failure.