Buick Envision 2021–2022 — technical service bulletin
Bulletin PIP5889 · NHTSA communication 10227669 · issued Nov 18, 2022
Technical service bulletin
communication type
Equipment
component
2021–2022
model years
16
vehicle entries
Official summary
This Preliminary information communicates the possibility of dtc p0299 due to a stuck open Charge Air Bypass Valve
Vehicles covered
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.