{"source":"nhtsa","country":"us","campaign":"20V588000","date":"2020-09-24","owner_notified":"2020-12-09","manufacturer":"General Motors LLC","component":"SERVICE BRAKES","summary":"General Motors LLC (GM) is recalling certain 2020 Chevrolet Corvette and Cadillac CT4, CT5 and XT4, 2021 Chevrolet Trailblazer, and 2020-2021 Buick Encore GX vehicles.  Sensor connection contamination in the electronic brake boost system may cause an interruption of communication between the sensor and the brake boost system.","consequence":"If communication with the sensor is interrupted, the electronic brake boost assist could be lost.  Extra pedal force will be required to slow and stop the vehicle, increasing the risk of a crash.","remedy":"GM will notify owners, and dealers will replace the electronic brake boost module, free of charge.  The recall began December 9, 2020.   Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-333-4223, or Buick customer service at 1-800-521-7300.  GM's number for this recall is A202307260.","notes":"Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.","mfr_campaign":"A202307260","part_number":"84774537, 84784557, 84871303, 84722407, 6000426, 60004350","units":3677,"completion":{"kind":"annual","report_number":3,"period_from":"2024-4","period_to":"2025-3","submitted":"2025-10-06","involved":3677,"remedied":3584,"unreachable":1,"removed":1,"remedied_percent":97,"as_of":"2026-10-19"},"do_not_drive":false,"park_outside":false,"notification":null,"french":null,"vehicles":[{"year":2020,"make":"BUICK","model":"ENCORE GX","vehicle_id":"2020_buick_encore-gx","match":"exact","built_from":null,"built_to":null},{"year":2021,"make":"BUICK","model":"ENCORE GX","vehicle_id":"2021_buick_encore-gx","match":"exact","built_from":null,"built_to":null},{"year":2020,"make":"CADILLAC","model":"CT4","vehicle_id":"2020_cadillac_ct4","match":"exact","built_from":null,"built_to":null},{"year":2020,"make":"CADILLAC","model":"CT5","vehicle_id":"2020_cadillac_ct5","match":"exact","built_from":null,"built_to":null},{"year":2020,"make":"CADILLAC","model":"XT4","vehicle_id":"2020_cadillac_xt4","match":"exact","built_from":null,"built_to":null},{"year":2020,"make":"CHEVROLET","model":"CORVETTE","vehicle_id":"2020_chevrolet_corvette","match":"exact","built_from":null,"built_to":null},{"year":2021,"make":"CHEVROLET","model":"TRAILBLAZER","vehicle_id":"2021_chevrolet_trailblazer","match":"exact","built_from":null,"built_to":null}],"may_apply":true,"as_of":"2026-10-19","lookup":{"nhtsa":"https://www.nhtsa.gov/recalls","tc":"https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng","maker":null},"attribution":[],"url":"https://open.wenmarpro.com/recalls/nhtsa/20V588000"}