Buick Enclave 2021–2023 — technical service bulletin
Bulletin 21-NA-054 · NHTSA communication 10252127 · issued Mar 22, 2024
Technical service bulletin
communication type
Electrical System
component
2021–2023
model years
19
vehicle entries
Official summary
This service bulletin provides repair information to correct various functional concerns of the Instrument Cluster and DTC U0155.
Vehicles covered
- 2022 Buick Enclave
- 2023 Buick Enclave
- 2021 Chevrolet Blazer
- 2022 Chevrolet Blazer
- 2023 Chevrolet Blazer
- 2021 Chevrolet Camaro
- 2022 Chevrolet Camaro
- 2023 Chevrolet Camaro
- 2021 Chevrolet Malibu
- 2022 Chevrolet Malibu
- 2023 Chevrolet Malibu
- 2022 Chevrolet Traverse
- 2023 Chevrolet Traverse
- 2021 GMC Acadia
- 2022 GMC Acadia
- 2023 GMC Acadia
- 2022 GMC Terrain
- 2023 GMC Terrain
- 2022 GMC Terrain NA
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.