{"vehicle":{"id":"2021_nissan_sentra","year":2021,"make":"Nissan","model":"Sentra"},"code":"P0404","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":2,"bulletins":[{"nhtsa_id":10226058,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-11-07","date":"2022-10-14","document_id":"NTB22-067A","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING","summary":"MIL ON WITH DTC P0401 AND/OR P0404 STORED IN THE ECM This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10226058-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10226058-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10226058"},{"nhtsa_id":10218654,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-08-24","date":"2022-07-29","document_id":"NTB22-067","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING","summary":"MIL ON WITH DTC P0401 AND/OR P0404 STORED IN THE ECM IF YOU CONFIRM The MIL is ON and DTC P0401 (EGR A FLOW INSUFFICIENT) and/or P0404 (EGR A CONTROL) is stored in the ECM. AND There are no drivability concerns. ACTION 1. Confirm the current ECM part number. 2. Reprogram the ECM, if applicable.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10218654-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10218654-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10218654"}],"url":"https://open.wenmarpro.com/makes/nissan/sentra/2021/bulletins?code=P0404"},"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/nissan/sentra/2021/codes/P0404","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."]}