Buick Enclave 2020–2024 — technical service bulletin
Bulletin 23-NA-086 · NHTSA communication 11000154 · issued Apr 25, 2024
Technical service bulletin
communication type
Exterior Lighting
component
2020–2024
model years
21
vehicle entries
Official summary
This service bulletin provides information on dark spots in the headlamp pattern when the vehicle is pulled up to a wall or garage.
Vehicles covered
- 2022 Buick Enclave
- 2023 Buick Enclave
- 2024 Buick Enclave
- 2020 Buick Encore
- 2021 Buick Encore
- 2022 Buick Encore
- 2020 Buick Encore GX
- 2021 Buick Encore GX
- 2022 Buick Encore GX
- 2023 Buick Encore GX
- 2024 Buick Envista
- 2023 Chevrolet Blazer
- 2024 Chevrolet Blazer
- 2021 Chevrolet Trailblazer
- 2022 Chevrolet Trailblazer
- 2023 Chevrolet Trailblazer
- 2024 Chevrolet Trailblazer
- 2022 Chevrolet Traverse
- 2023 Chevrolet Traverse
- 2024 Chevrolet Traverse
- 2024 Chevrolet Trax
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.