{"vehicle":{"id":"2016_honda_fit","year":2016,"make":"Honda","model":"Fit"},"code":"P0420","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":2,"bulletins":[{"nhtsa_id":10208156,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-02-22","date":"2022-02-18","document_id":"A18-027","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM","summary":"Service Bulletin - 2015-16 Fit: MIL Is On with DTC P0420","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10208156-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10208156-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10208156"},{"nhtsa_id":10133022,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-04-16","date":"2018-03-16","document_id":"A18-027","mfr_campaign":null,"component":"FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM","summary":"Service bulletin - The MIL is on and DTC P0420 (catalyst system efficiency below threshold) is set. Faulty fuel injectors in one or more cylinders may be affecting combustion and causing a false DTC P0420.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10133022-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10133022-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10133022"}],"url":"https://open.wenmarpro.com/makes/honda/fit/2016/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/honda/fit/2016/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."]}