{"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,"replaces":null,"component":"FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM","mfr_system":null,"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","components":[{"id":"fuel-system","name":"Fuel system","parent":null},{"id":"fuel-injector","name":"Fuel injection","parent":"fuel-system"}],"codes":["P0420"],"topics":[],"vehicles":[{"make":"HONDA","model":"FIT","year_from":2015,"year_to":2016,"match":"exact","vehicle_ids":["2015_honda_fit","2016_honda_fit"]}],"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":[]}