{"nhtsa_id":11037752,"type":"over_the_air","type_name":"Over-the-air update","date_added":"2026-10-02","date":"2026-08-25","document_id":"662.20","mfr_campaign":"662.20","replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":"CGM, TPIM: CGM-GTW (Communication Gateway Module), TPIM (Traction Power Inverter Module)","summary":"• Improved reliability for propulsion and acceleration","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11037752-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11037752-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11037752","components":[],"codes":[],"topics":[],"vehicles":[{"make":"GMC","model":"HUMMER EV PICKUP","year_from":2022,"year_to":2023,"match":"exact","vehicle_ids":["2022_gmc_hummer-ev-pickup","2023_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":[]}