{"nhtsa_id":11031767,"type":"over_the_air","type_name":"Over-the-air update","date_added":"2026-04-30","date":"2026-04-01","document_id":"661.40","mfr_campaign":"661.40","replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":"ACP3: \"ACP3_MCU (ADAS Compute Platform 3 - Microprocessor Control Unit), ACP3_SOC (ADAS Compute Platform 3 - System On A Chip)","summary":"• Improvements to the performance of Brake Assist. • Fixes to help ensure proper Super Cruise lane change functionality.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11031767-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11031767-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11031767","components":[],"codes":[],"topics":[],"vehicles":[{"make":"GMC","model":"HUMMER EV PICKUP","year_from":2026,"year_to":2026,"match":"exact","vehicle_ids":["2026_gmc_hummer-ev-pickup"]},{"make":"GMC","model":"HUMMER EV SUV","year_from":2026,"year_to":2026,"match":"exact","vehicle_ids":["2026_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":[]}