Service bulletins for the 2009 Chevrolet T-Series
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.
578 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
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. |
|---|
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.