{"nhtsa_id":10199096,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-07-09","date":"2021-06-07","document_id":"21-01-044H","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"This bulletin provides information related to the ECU (Engine Control Unit) software update for KONA (OS) 2.0L vehicles. This update revises the logic of idle fuel adaptive range to prevent idle combustion instability.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10199096-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10199096-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10199096","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"HYUNDAI","model":"KONA","year_from":2022,"year_to":2022,"match":"exact","vehicle_ids":["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":[]}