{"nhtsa_id":10230907,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-02-02","date":"2023-01-26","document_id":"23-01-007H","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Certain 2018-2022MY Kona (OS) vehicles equipped with 2.0L engines and 4WD may exhibit transfer case oil leaks and/or an oil smell caused by the transfer case pinion oil seal overheating. This bulletin describes the procedure to update the 4WD electronic control module (ECU) and to inspect the transfer pinion area for leakage. If a leak is detected, the transfer case pinion oil seal will need to be replaced.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10230907-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10230907-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10230907","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"HYUNDAI","model":"KONA","year_from":2018,"year_to":2022,"match":"exact","vehicle_ids":["2018_hyundai_kona","2019_hyundai_kona","2020_hyundai_kona","2021_hyundai_kona","2022_hyundai_kona"]}],"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":[]}