{"nhtsa_id":11017181,"type":"over_the_air","type_name":"Over-the-air update","date_added":"2025-04-24","date":"2025-04-15","document_id":"N25-249834","mfr_campaign":"N25-249834","replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":"VICM: Vehicle Integration Control Module","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.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11017181-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11017181-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11017181","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":[]}