{"vehicle":{"id":"2014_honda_odyssey","year":2014,"make":"Honda","model":"Odyssey"},"code":"P0404","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":2,"bulletins":[{"nhtsa_id":10142651,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-07-16","date":"2014-01-18","document_id":"Service Bulletin","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)","summary":"Service bulletin - The MIL comes on with DTC P0404 (EGR valve circuit range/performance problem).","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10142651-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10142651-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10142651"},{"nhtsa_id":10099621,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-05-18","date":"2016-01-16","document_id":"A13-095","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE); EQUIPMENT","summary":"SERVICE BULLETIN - THE MIL COMES ON WITH DTC P0404 (EGR VALVE CIRCUIT RANGE/PERFORMANCE PROBLEM) RESULTING FROM EXTENDED DRIVING, THE PCM MAY COMMAND EXCESSIVELY HIGH LIFT EGR VALUES THAT MAY DAMAGE AN INTERNAL COMPONENT IN THE EGR VALVE.","document":null,"url":"https://open.wenmarpro.com/bulletins/10099621"}],"url":"https://open.wenmarpro.com/makes/honda/odyssey/2014/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/honda/odyssey/2014/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."]}