{"nhtsa_id":11030384,"type":"over_the_air","type_name":"Over-the-air update","date_added":"2026-04-01","date":"2026-02-09","document_id":"654.20","mfr_campaign":"654.20","replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":"TPIM (Traction Power Inverter Module), VLM (Vehicle Leveling Module), EBCM (Electronic Brake Control Module), HDLM (High Definition Localization Module), PTM (Power Tailgate Module), BCM (Body Control Module): TPIM (Traction Power Inverter Module), VLM (Vehicle Leveling Module), EBCM (Electronic Brake Control Module), HDLM (High Definition Localization Module), PTM (Power Tailgate Module), BCM (Body Control Module)","summary":"• Improvements to the performance of One-Pedal Driving. • 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.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11030384-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11030384-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11030384","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"]},{"make":"GMC","model":"HUMMER EV SUV","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["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":[]}