Service bulletins for the 2012 Peterbilt 579
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.
35 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Trailer hitch are shown. Show all
| 817-1 | 2017-10-12. Service bulletin. TRAILER HITCHES. Non Safety Campaign: The circuit for the Trailer Hotline/Trailer Power may not be properly protected on Model 567/579 vehicles equipped with this option. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.