{"vehicle":{"id":"2016_mazda_mazda2","year":2016,"make":"Mazda","model":"Mazda2"},"code":"P0203","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":1,"bulletins":[{"nhtsa_id":10120370,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-10-21","date":"2017-07-05","document_id":"01-004-17-3317a","mfr_campaign":null,"component":"EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL","summary":"Some vehicles may experience an engine that runs rough and the check engine light on with DTCs P0201 and P0204 or P0202 and P0203. NOTE: Engine misfire related DTCs (P0301, P0302, P0303, P0304) are usually stored at the same time. P0201:00 : Fuel injector circuit/open cylinder No.1 P0202:00 : Fuel injector circuit/open cylinder No.2 P0203:00 : Fuel injector circuit/open cylinder No.3 P0204:00 : Fuel injector circuit/open cylinder No.4 This concern may be caused by an internal failure of the PCM (DENSO produced only). To correct the concern, the PCM internal failure has been eliminated.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10120370-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10120370-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10120370"}],"url":"https://open.wenmarpro.com/makes/mazda/mazda2/2016/bulletins?code=P0203"},"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/mazda/mazda2/2016/codes/P0203","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."]}