Buick Encore GX 2020–2025 — technical service bulletin
Bulletin PIP5929D · NHTSA communication 11021794 · issued Aug 8, 2025
Technical service bulletin
communication type
Unknown OR Other
component
2020–2025
model years
15
vehicle entries
Official summary
This Preliminary information communicates to the dealers diagnostic tips related to MIL on with P219A.
Vehicles covered
- 2020 Buick Encore GX
- 2021 Buick Encore GX
- 2022 Buick Encore GX
- 2023 Buick Encore GX
- 2024 Buick Encore GX
- 2025 Buick Encore GX
- 2024 Buick Envista
- 2025 Buick Envista
- 2021 Chevrolet Trailblazer
- 2022 Chevrolet Trailblazer
- 2023 Chevrolet Trailblazer
- 2024 Chevrolet Trailblazer
- 2025 Chevrolet Trailblazer
- 2024 Chevrolet Trax
- 2025 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.