{"vehicle":{"id":"2017_mazda_cx-9","year":2017,"make":"Mazda","model":"CX-9"},"code":"P0401","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":2,"bulletins":[{"nhtsa_id":10188495,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-03-08","date":"2017-11-28","document_id":"SA-072-17","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE); ELECTRICAL SYSTEM; ENGINE","summary":"If you receive a customer complaint of a Check Engine Light on with a DTC P0401 stored in memory, follow the repair procedure below.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10188495-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10188495-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10188495"},{"nhtsa_id":10145243,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-10-09","date":"2018-09-14","document_id":"01-017-18-3518","mfr_campaign":null,"component":"ENGINE","summary":"Some customers may experience a check engine light on and DTC P0401:00 stored in memory without any drivability issues. P0401:00 - [PCM] EGR flow insufficient detected. This concern may be caused by the detection logic for the DTC is too sensitive. To eliminate this concern, the control logic of the PCM has been modified.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10145243-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10145243-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10145243"}],"url":"https://open.wenmarpro.com/makes/mazda/cx-9/2017/bulletins?code=P0401"},"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/cx-9/2017/codes/P0401","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."]}