Over-the-air update 653.10
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 | 11025934 |
| Published by NHTSA | 2025-12-02 |
| Manufacturer's number | 653.10 |
| Manufacturer's date | 2025-11-20 |
| Campaign id or software version | 653.10 |
| NHTSA component | UNKNOWN OR OTHER |
| Manufacturer's system | BCM, ECP, TCP: BCM (Body Control Module), ECP (Electrification Control Processor), TCP (Telematics Communication Platform) |
NHTSA's summary
(There may be future updates under this same release number.) This software update includes the following, if your vehicle is equipped: • Fixes to help ensure proper functionality for heating and cooling features. • Improvements to night mode lights for shifting gears. • Fixes for Daytime Running Lamps turning on when set to Off. • Fixes to help prevent erroneous missing key messages on driver display. • Fixes for accuracy of low tire pressure alert. • Fixes for speed threshold for pedestrian alerts. • Improvements to the performance of One-Pedal Driving • Improvements to propulsion and acceleration. • Fixes for vehicle diagnostics. • Improvements to the accuracy of propulsion messaging. • Improvements to vehicle safety features. • Fixes to help prevent loss of functionality for OnStar, infotainment apps, and connectivity features. 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
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.
| CHEVROLET BLAZER EV | 2024, 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.