{"nhtsa_id":11019920,"type":"over_the_air","type_name":"Over-the-air update","date_added":"2025-07-01","date":"2025-06-23","document_id":"N25-249834 (652.40)","mfr_campaign":"N25-249834 (652.40)","replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":"CGM, BCM, EBCM, ECP, HDLM, PTM, VLM, CSM: CGM, BCM, EBCM, ECP, HDLM, PTM, VLM, CSM","summary":"Software Update for your 25MY GMC Hummer EV •Fixes for audio system performance. •Improvements to connectivity for Bluetooth. •Fixes to help ensure successful software updates and notifications. •Fixes to address instances of inactive driver display. •Improvements to functionality for USB and steering wheel controls. •Improvements to leveling corrections. •Improvements to the performance of Super Cruise. •Improvements to the opening power of the rear power gate. •Fixes to address antilock braking system responsiveness. •Improvements to the performance of One-Pedal Driving. 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-11019920-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11019920-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11019920","components":[],"codes":[],"topics":[],"vehicles":[{"make":"GMC","model":"HUMMER EV PICKUP","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_gmc_hummer-ev-pickup"]}],"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":[]}