Service bulletins for the 2021 Chevrolet Bolt EV
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.
506 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
Only bulletins with topic: maintenance are shown. Show all
| 18-NA-125 | 2024-06-28. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This service bulletin provides information for engine oil life monitor operation calculation. |
|---|---|
| 16NA222 | 2022-05-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:FILTER/SCREEN; UNKNOWN OR OTHER. This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.