{"nhtsa_id":10241889,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-09-06","date":"2023-08-28","document_id":"23-AT-013H","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"This bulletin provides information related to a Transmission Control Unit (TCU) software update for certain vehicles equipped with an 8-speed wet dual clutch transmissions (8WDCT) that improves the touch point learning variation. Certain 8WDCTs (indicated by a new part number) received an improved clutch spring. The correct TCU software update must be matched with the correct corresponding 8WDCT hardware, otherwise drivability concerns may occur.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10241889-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10241889-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10241889","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"HYUNDAI","model":"ELANTRA","year_from":2022,"year_to":2023,"match":"exact","vehicle_ids":["2022_hyundai_elantra","2023_hyundai_elantra"]},{"make":"HYUNDAI","model":"KONA","year_from":2022,"year_to":2023,"match":"exact","vehicle_ids":["2022_hyundai_kona","2023_hyundai_kona"]},{"make":"HYUNDAI","model":"VELOSTER","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_hyundai_veloster"]},{"make":"HYUNDAI","model":"VELOSTER","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]}],"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":[]}