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.
About B0001 on the 2020 Chevrolet 5500HD: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: B0001 are shown. Show all
| 21NA005 | 2022-05-31. Service bulletin. AIR BAGS. This technical bulletin provides a procedure to replace the air bag and air bag harness to correct a condition of Airbag Malfunction Warning and Airbag Malfunction Indicator Illuminated with DTC B0001-1B due to corrosion. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.