{"nhtsa_id":11029901,"type":"over_the_air","type_name":"Over-the-air update","date_added":"2026-03-07","date":"2026-03-05","document_id":"661.10","mfr_campaign":"661.10","replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":"TCP: TCP (Telematics Connectivity Platform)","summary":"• Improvements to the performance of vehicle software updates. • Fixes to help prevent loss of functionality for connectivity features, including maps and Wi-Fi. • Fixes to help prevent erroneous emergency calls from vehicle. • Fixes for deleting digital keys. • Fixes to help ensure proper functionality for mobile app features.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11029901-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11029901-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11029901","components":[],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"EQUINOX","year_from":2026,"year_to":2026,"match":"exact","vehicle_ids":["2026_chevrolet_equinox"]},{"make":"GMC","model":"TERRAIN","year_from":2026,"year_to":2026,"match":"exact","vehicle_ids":["2026_gmc_terrain"]}],"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":[]}