{"vehicle":{"id":"2011_subaru_impreza","year":2011,"make":"Subaru","model":"Impreza"},"code":"P0304","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":1,"bulletins":[{"nhtsa_id":10232524,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-03-06","date":"2013-07-01","document_id":"1111612R","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE","summary":"DTC P0301 ? P0304 and P050A Reprogramming","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10232524-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10232524-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10232524"}],"url":"https://open.wenmarpro.com/makes/subaru/impreza/2011/bulletins?code=P0304"},"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/subaru/impreza/2011/codes/P0304","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."]}