Over-the-air update 661.22
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 | 11034931 |
| Published by NHTSA | 2026-07-08 |
| Manufacturer's number | 661.22 |
| Manufacturer's date | 2026-06-15 |
| Campaign id or software version | 661.22 |
| NHTSA component | UNKNOWN OR OTHER |
| Manufacturer's system | BCM, EBCM, ICCM, TPIM, APA, ELM, EOCM, FCM, PFCM, PTM, VLM, WCM: BCM, EBCM, ICCM, TPIM, APA, ELM, EOCM, FCM, PFCM, PTM, VLM, WCM |
NHTSA's summary
• The active cabin ventilation feature will operate more reliably • Additional protection for the health of your battery and updates to help prevent excessive battery drain and overheating • Improvements will support successful software updates for your vehicle and allow you to access new features and fixes • Improvements to leveling corrections • Improvements to the performance of One-Pedal Driving • Fixes to help maintain Electronic Stability Control and One-Pedal Driving availability after a vehicle software update • Improvements to the power swing gate. • iPhone charging
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 | 2024 |
|---|---|
| GMC HUMMER EV SUV | 2024 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.