Buick Envision 2021–2023 — technical service bulletin
Bulletin PIP5889A · NHTSA communication 10231628 · issued Jan 6, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2021–2023
model years
24
vehicle entries
Official summary
This Preliminary information communicates the possibility of dtc p0299 due to a stuck open Charge Air Bypass Valve
Vehicles covered
- 2021 Buick Envision
- 2022 Buick Envision
- 2023 Buick Envision
- 2021 Cadillac CT4
- 2022 Cadillac CT4
- 2023 Cadillac CT4
- 2021 Cadillac CT5
- 2022 Cadillac CT5
- 2023 Cadillac CT5
- 2021 Cadillac XT4
- 2022 Cadillac XT4
- 2023 Cadillac XT4
- 2021 Cadillac XT5
- 2022 Cadillac XT5
- 2023 Cadillac XT5
- 2021 Cadillac XT6
- 2022 Cadillac XT6
- 2023 Cadillac XT6
- 2021 Chevrolet Blazer
- 2022 Chevrolet Blazer
- 2023 Chevrolet Blazer
- 2021 GMC Acadia
- 2022 GMC Acadia
- 2023 GMC Acadia
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.