Service bulletins for the 2021 Buick Enclave
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.
658 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
Only bulletins with component: Cooling system are shown. Show all
| PIE0633A | 2021-08-09. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM; EQUIPMENT:APPLIANCE:AIR CONDITIONER. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the A/C not cooling the vehicle cabin and/or the A/C air is not cold coming from the vent. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.