{"nhtsa_id":11036476,"type":"over_the_air","type_name":"Over-the-air update","date_added":"2026-08-31","date":"2026-08-04","document_id":"662.40","mfr_campaign":"662.40","replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":"VICM: VICM (Vehicle Integration Control Module)","summary":"• Additional protection for battery health and to help prevent battery drain • Improved charging messaging in the driver display • Improved vehicle diagnostics","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036476-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036476-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11036476","components":[],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO EV","year_from":2024,"year_to":2024,"match":"base","vehicle_ids":["2024_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA EV","year_from":2024,"year_to":2024,"match":"base","vehicle_ids":["2024_gmc_sierra"]}],"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":[]}