{"nhtsa_id":11037751,"type":"over_the_air","type_name":"Over-the-air update","date_added":"2026-10-02","date":"2026-09-02","document_id":"663.30","mfr_campaign":"663.30","replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":"VICM: VICM (Vehicle Integration Control Module)","summary":"• Fixes to help ensure start reliability and prevent battery drain • Improved charging performance and messages","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11037751-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11037751-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11037751","components":[],"codes":[],"topics":[],"vehicles":[{"make":"GMC","model":"HUMMER EV PICKUP","year_from":2024,"year_to":2025,"match":"exact","vehicle_ids":["2024_gmc_hummer-ev-pickup","2025_gmc_hummer-ev-pickup"]},{"make":"GMC","model":"HUMMER EV SUV","year_from":2024,"year_to":2025,"match":"exact","vehicle_ids":["2024_gmc_hummer-ev-suv","2025_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":[]}