Service bulletins for the 2020 Chevrolet 5500HD
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.
378 on file from NHTSA, as of 2026-10-19.
By type
By component
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Only bulletins with component: Throttle and cruise control are shown. Show all
| 10-08-110-001L | 2025-02-11. Service bulletin. STRUCTURE:BODY; VEHICLE SPEED CONTROL. This service bulletin provides information on proper use of floor mats. |
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| 20NA116 | 2020-08-10. Service bulletin. VEHICLE SPEED CONTROL. This informational bulletin provides information on Available Top Speed Changes and how to reach them. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.