Service bulletin PIT6491
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 11029951 |
| Published by NHTSA | 2026-03-11 |
| Manufacturer's number | PIT6491 |
| Manufacturer's date | 2026-03-02 |
| NHTSA component | UNKNOWN OR OTHER |
NHTSA's summary
This Preliminary PI was created on 01/26/2026 for diagnostic tips for rear cargo door that will not unlock from the exterior passive switch
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
| BRIGHTDROP ZEVO 400 | 2024 (the catalog's model; the bulletin names a series or trim of it) |
|---|---|
| BRIGHTDROP ZEVO 600 | 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET BRIGHTDROP 400 | 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET BRIGHTDROP 600 | 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
Listing a model year does not mean every vehicle of it is concerned: the document says which.