Over-the-air update N25-250552
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 | Over-the-air update |
|---|---|
| NHTSA id | 11030532 |
| Published by NHTSA | 2026-04-02 |
| Manufacturer's number | N25-250552 |
| Manufacturer's date | 2026-03-21 |
| Campaign id or software version | N25-250552 |
| NHTSA component | UNKNOWN OR OTHER |
| Manufacturer's system | TCP: TCP (Telematics Connectivity Platform) |
NHTSA's summary
Improvements to OnStar functionality.
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.
| BUICK ENCLAVE | 2021, 2022, 2023 |
|---|---|
| BUICK ENCORE | 2021, 2022 |
| BUICK ENCORE | 2023 |
| CADILLAC XT4 | 2021, 2022, 2023 |
| CADILLAC XT5 | 2021, 2022, 2023 |
| CADILLAC XT6 | 2021, 2022, 2023 |
| CHEVROLET BLAZER | 2021, 2022, 2023 |
| CHEVROLET BOLT EUV | 2022, 2023 |
| CHEVROLET BOLT EV | 2021, 2022, 2023 |
| CHEVROLET CAMARO | 2021, 2022, 2023 |
| CHEVROLET EQUINOX | 2021, 2022, 2023 |
| CHEVROLET MALIBU | 2021, 2022, 2023 |
| CHEVROLET SILVERADO 1500 | 2021, 2022, 2023 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 2500 | 2021, 2022, 2023 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET TRAILBLAZER | 2021, 2022, 2023 |
| GMC ACADIA | 2021, 2022, 2023 |
| GMC SIERRA 1500 | 2021, 2022, 2023 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA 2500 | 2021, 2022, 2023 (the catalog's model; the bulletin names a series or trim of it) |
| GMC TERRAIN | 2021, 2022, 2023 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.