{"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,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"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","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P0420"],"topics":[],"vehicles":[{"make":"HYUNDAI","model":"TUCSON","year_from":2019,"year_to":2019,"match":"exact","vehicle_ids":["2019_hyundai_tucson"]}],"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":[]}