Service bulletins for the 2023 GMC Sierra
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.
1426 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Sunroof are shown. Show all
| PIT5733C | 2023-03-13. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. This Preliminary information provides information to the technician on installing a roof beacon light. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 157. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins." |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.