Service bulletins for the 2009 GMC Envoy
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.
980 on file from NHTSA, as of 2026-10-19.
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Only bulletins with topic: maintenance are shown. Show all
| 040601029J | 2020-04-06. Service bulletin. ENGINE; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules. |
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| 12-06-01-008B | 2018-05-07. Service bulletin. EQUIPMENT. This informational bulletin provides dealership personnel information on unscheduled supplemental services (including flushing services and additives) and proper use of GM simplified maintenance schedules (Canada only). |
| 04-06-01-029H | 2017-08-31. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin provides information on Unscheduled Supplemental Services (Including Flushing Services and Additives) and Proper Use of GM Simplified Maintenance Schedules (U.S. Only) |
| 12-06-01-008B | 2017-08-15. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin provides dealership personnel information on unscheduled supplemental services (including flushing services and additives) and proper use of GM simplified maintenance schedules (Canada only). |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.