GM recalls more than 90K vehicles over transmission issue

Core Points - General Motors is recalling over 90,000 vehicles due to a potential transmission issue that may increase the risk of a crash [1][5] - The affected models include 2020-2021 Cadillac CT4, 2020-2021 Cadillac CT5, 2019-2020 Cadillac CT6, and 2020-2022 Chevrolet Camaro, all equipped with a 10-speed transmission [2][5] - The transmission control valve may experience "excess wear," leading to "harsh shifting" and a "momentary" lock-up of the wheels in rare cases, posing a crash risk [2][3] Recall Details - The recall specifically targets vehicles with the 10-speed transmission; those with other transmissions are not affected [3] - GM is prioritizing customer safety and is implementing a software update to address the issue [3] - There has been one reported accident potentially linked to the valve defect [3] Software Update - The software update will detect excess wear approximately 10,000 miles before a potential wheel lock-up and will prevent it by placing the transmission into fifth gear until the next key cycle [4] - Dealers will install the transmission control module monitoring software at no charge to customers [5] - Affected vehicle owners will receive notification letters starting April 21 [5] Production Changes - New transmission control software has been incorporated into the production of model year 2021 Cadillac CT6s, model year 2022 Cadillac CT4 and CT5s, and model year 2023 Chevrolet Camaros [6]