Over-the-air update N25-249834
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 | 11017181 |
| Published by NHTSA | 2025-04-24 |
| Manufacturer's number | N25-249834 |
| Manufacturer's date | 2025-04-15 |
| Campaign id or software version | N25-249834 |
| NHTSA component | UNKNOWN OR OTHER |
| Manufacturer's system | VICM: Vehicle Integration Control Module |
NHTSA's summary
Great News! Your vehicle keeps getting better. This software update includes the following, if your vehicle is equipped: • Improves accuracy of service messages for high voltage charging system. • Reduces drain on 12V battery. • Improves performance of charging. • Improves performance of wireless communication of the Lithium-Ion battery status • Improves performance of cabin heating and windshield defrosting system 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.
| GMC HUMMER EV PICKUP | 2025 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.