{"vehicle":{"id":"1998_dodge_ram","year":1998,"make":"Dodge","model":"Ram"},"code":"P0420","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":1,"bulletins":[{"nhtsa_id":10018993,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2006-01-27","date":"2005-12-21","document_id":"1100605","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM","summary":"ILLUMINATED MIL AS THE RESULT OF A DIAGNOSTIC TROUBLE CODE (DTC) P0420 - CATALYST EFFICIENCY, OR MAY HAVE FAILED A CALIFORNIA SMOG OR STATE I/M TEST BUT WITHOUT AN ILLUMINATED MIL, OR A RATTLING SOUND FROM THE UNDERSIDE OF THE VEHICLE. CATALYTIC CONVERTER EXTENDED WARRANTY TO REPLACE THE CATALYTIC CONVERTER. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10018993"}],"url":"https://open.wenmarpro.com/makes/dodge/ram/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/dodge/ram/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."]}