Service bulletins for the 2021 Chevrolet Blazer
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.
814 on file from NHTSA, as of 2026-10-19.
By type
By component
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Only bulletins with component: Mirrors are shown. Show all
| 23-NA-130 | 2023-08-02. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; VISIBILITY:REARVIEW MIRRORS/DEVICES. This technical bulletin provides repair information to correct a customer concern of the driver side mirror being distorted. |
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| N222359240-01 | 2023-03-16. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES. Customer Satisfaction Program - certain vehicles may have a condition in which the driver side mirror does not auto dim. Dealers are to replace the front door wiring harness. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.