{"vehicle":{"id":"1998_nissan_frontier","year":1998,"make":"Nissan","model":"Frontier"},"code":"P0420","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":1,"bulletins":[{"nhtsa_id":613969,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2000-09-22","date":"2000-07-12","document_id":"NTB00058","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM","summary":"VEHICLES UP TO 1N6DD26Y9WC347717 MAY EXHIBIT A MALFUNCTION INDICATOR LIGHT ON WITH DIAGNOSTIC TROUBLE CODE P0420 (THREE WAY CATALYST FUNCTION) STORED IN THE ECM AND / OR EXHAUST RATTLE NOISE. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/613969"}],"url":"https://open.wenmarpro.com/makes/nissan/frontier/1998/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/nissan/frontier/1998/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."]}