U0155
Lost Communication with Instrument Panel Cluster
2013-2019 Cadillac XTS 3.6L 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
Cadillac ATS
2013-2019 2.0L Turbo I4
Cadillac ATS
2013-2019 2.5L I4
Cadillac ATS-V
2016-2019 3.6L Twin-Turbo V6
Cadillac CT4
2020-2024 2.0L Turbo I4
Cadillac CT4
2020-2024 2.7L Turbo I4
Cadillac CT4-V
2020-2024 2.7L Turbo I4
Cadillac CT4-V Blackwing
2022-2024 3.6L Twin-Turbo V6
Cadillac CT5
2020-2024 2.0L Turbo I4
Common Questions
What does code U0155 mean on a 2013-2019 Cadillac XTS?
U0155 stands for "Lost Communication with Instrument Panel Cluster". Cannot communicate with the instrument cluster.
What are the symptoms of U0155 on a Cadillac XTS?
Common symptoms of U0155 include: Gauges not working, No speedometer/tachometer, Warning lights erratic.
What causes U0155 on a 2013-2019 Cadillac XTS?
Common causes of U0155 include: Cluster power failure, CAN bus issue, Cluster failure.