{"vehicle":{"id":"2019_hyundai_tucson","year":2019,"make":"Hyundai","model":"Tucson"},"code":"P0420","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":1,"bulletins":[{"nhtsa_id":10182322,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-11-06","date":"2020-10-19","document_id":"20-FL-010H","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING","summary":"This bulletin provides information related to the repair of DTC P0420 “Catalytic Converter System Bank 1 - Efficiency Below Threshold” found stored in the Engine Control Module (ECM). The repair involves performing an ECM Update and replacement of the exhaust manifold catalyst.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10182322-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10182322-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10182322"}],"url":"https://open.wenmarpro.com/makes/hyundai/tucson/2019/bulletins?code=P0420"},"related":{"components":[],"bulletins":[],"recalls":{"may_apply":true,"recalls":[],"lookup":{"nhtsa":"https://www.nhtsa.gov/recalls","tc":"https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng","maker":null}}},"url":"https://open.wenmarpro.com/makes/hyundai/tucson/2019/codes/P0420","note":"The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.","attribution":["Contains information licensed under the Open Government Licence – Canada."]}