Service bulletins for the 2021 Ram 1500
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.
1129 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
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Only bulletins with component: Brake lights are shown. Show all
| S2123000009 Rev. | 2021-03-15. Service bulletin. STRUCTURE:BODY; EXTERIOR LIGHTING:BRAKE LIGHTS. Water is leaking into cab through the third brake light CHMSL |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.