Buick Encore GX 2020–2026 — technical service bulletin
Bulletin PIP5929F · NHTSA communication 11024456 · issued Oct 17, 2025
Technical service bulletin
communication type
Unknown / Other
component
2020–2026
model years
19
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
- 2026 Buick Encore GX
- 2024 Buick Envista
- 2025 Buick Envista
- 2026 Buick Envista
- 2021 Chevrolet Trailblazer
- 2022 Chevrolet Trailblazer
- 2023 Chevrolet Trailblazer
- 2024 Chevrolet Trailblazer
- 2025 Chevrolet Trailblazer
- 2026 Chevrolet Trailblazer
- 2024 Chevrolet Trax
- 2025 Chevrolet Trax
- 2026 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.