{"nhtsa_id":11024660,"type":"over_the_air","type_name":"Over-the-air update","date_added":"2025-10-31","date":"2025-10-20","document_id":"653.20","mfr_campaign":"653.20","replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":"ACP, BCM, EBCM, ECP, ELM, EOCM, EPS, FCM, ICCM, LRR, PFCM< PTM, VECM, VKM, VLM, WCM: ACP, BCM, EBCM, ECP, ELM, EOCM, EPS, FCM, ICCM, LRR, PFCM< PTM, VECM, VKM, VLM, WCM","summary":"Software Update for your Model Year 2024 GMC HUMMER EV if your vehicle is equipped: •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 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.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11024660-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11024660-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11024660","components":[],"codes":[],"topics":[],"vehicles":[{"make":"GMC","model":"HUMMER EV PICKUP","year_from":2024,"year_to":2024,"match":"exact","vehicle_ids":["2024_gmc_hummer-ev-pickup"]},{"make":"GMC","model":"HUMMER EV SUV","year_from":2024,"year_to":2024,"match":"exact","vehicle_ids":["2024_gmc_hummer-ev-suv"]}],"as_of":"2026-10-19","note":"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.","attribution":[]}