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Service bulletins for the 2020 Buick Envision

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

600 on file from NHTSA, as of 2026-10-19.

About P2227 on the 2020 Buick Envision: what the code means, and the bulletins and recalls about the same components.

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Only bulletins with trouble code: P2227 are shown. Show all

Bulletins, newest first
21NA0742021-05-10. Service bulletin. EXTERIOR LIGHTING. This technical bulletin provides a procedure to replace the charge air cooler due to moisture getting inside of it and causing a malfunction indicator lamp illuminated with DTC P0300 and/or P0299/P2227.
18NA0202020-05-26. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This technical bulletin provides a procedure to replace the charge air cooler due to moisture getting inside of it and causing a malfunction indicator lamp illuminated with DTC P0300 and/or P0299/P2227.
18NA0202020-03-30. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. This technical bulletin provides a procedure to replace the charge air cooler due to moisture getting inside of it and causing a malfunction indicator lamp illuminated with DTC P0300 and/or P0299/P2227.
18NA0202020-01-27. Service bulletin. EXTERIOR LIGHTING. This technical bulletin provides a procedure to replace the charge air cooler due to moisture getting inside of it and causing a malfunction indicator lamp illuminated with DTC P0300 and/or P0299/P2227.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.