# 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: 11026842
- Published by NHTSA: 2025\-12\-24
- Manufacturer's number: N25\-250552
- Manufacturer's date: 2025\-12\-03
- Campaign id or software version: N25\-250552
- NHTSA component: UNKNOWN OR OTHER
- Manufacturer's system: TCP: TCP \(Telematics Communication Platform\)

## NHTSA's summary

Improvements to OnStar functionality. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11026842-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11026842-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Vehicles listed

- 2022 to 2024 BUICK ENCLAVE
- 2024 to 2026 BUICK ENCORE
- 2021 to 2026 BUICK ENCORE GX
- 2024 to 2025 BUICK ENVISTA
- 2021 to 2023 CADILLAC XT4
- 2021 to 2025 CADILLAC XT5
- 2021 to 2025 CADILLAC XT6
- 2021 to 2025 CHEVROLET BLAZER
- 2022 to 2023 CHEVROLET BOLT EV
- 2021 to 2024 CHEVROLET CAMARO
- 2022 to 2024 CHEVROLET EQUINOX
- 2021 to 2025 CHEVROLET MALIBU
- 2021 to 2023 CHEVROLET SILVERADO 1500
- 2021 to 2025 CHEVROLET TRAILBLAZER
- 2022 to 2024 CHEVROLET TRAVERSE
- 2024 to 2025 CHEVROLET TRAX
- 2021 to 2023 GMC ACADIA
- 2021 to 2023 GMC SIERRA 1500
- 2022 to 2024 GMC TERRAIN

JSON: [/v1/bulletins/11026842](/v1/bulletins/11026842)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Over-the-air%20update%20N25-250552&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11026842&vehicle=Over-the-air%20update%20N25-250552)