{"nhtsa_id":11029937,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-03-11","date":"2026-03-03","document_id":"26-AT-001H TSB","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"Some Santa Cruz (NXT), Santa Fe (TMA, MX5A), and Sonata (DN8A) models may require replacement of the 8-speed wet dual clutch transmission (8WDCT) when the vehicle sets one of the high pressure electric oil pump (HP EOP) DTCs listed below. This bulletin provides instructions to replace the 8WDCT.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11029937-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11029937-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11029937","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"HYUNDAI","model":"SANTA CRUZ","year_from":2022,"year_to":2025,"match":"exact","vehicle_ids":["2022_hyundai_santa-cruz","2023_hyundai_santa-cruz","2024_hyundai_santa-cruz","2025_hyundai_santa-cruz"]},{"make":"HYUNDAI","model":"SANTA FE","year_from":2021,"year_to":2025,"match":"exact","vehicle_ids":["2021_hyundai_santa-fe","2022_hyundai_santa-fe","2023_hyundai_santa-fe","2024_hyundai_santa-fe","2025_hyundai_santa-fe"]},{"make":"HYUNDAI","model":"SONATA","year_from":2021,"year_to":2022,"match":"exact","vehicle_ids":["2021_hyundai_sonata","2022_hyundai_sonata"]}],"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":[]}