{"vehicle":{"id":"2003_toyota_sienna","year":2003,"make":"Toyota","model":"Sienna"},"code":"P0446","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":4,"bulletins":[{"nhtsa_id":10016693,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2005-09-27","date":"2005-02-16","document_id":"00705","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","summary":"MALFUNCTION INDICATOR LAMP ON WITH DIAGNOSTIC TROUBLE CODE P0446 (EVAPORATIVE EMISSION CONTROL SYSTEM VENT CONTROL MALFUNCTION) (ONLY). *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10016693"},{"nhtsa_id":10005756,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2004-03-15","date":"2003-12-17","document_id":"02003","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","summary":"MALFUNCTION INDICATOR LAMP (MIL) ON CONDITION WITH DIAGNOSTIC TROUBLE CODE (DTC) P0441, P0442 AND/OR P0446. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10005756"},{"nhtsa_id":10004636,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2003-12-29","date":"2003-09-29","document_id":"EG01303R","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","summary":"MALFUNCTION INDICATOR LAMP ON WITH DIAGNOSTIC TROUBLE CODE P0440, P0441 AND/OR P0446 STORED. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10004636"},{"nhtsa_id":10003965,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2003-11-07","date":"2003-09-29","document_id":"EG01303","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","summary":"MALFUNCTION INDICATOR LAMP ON WITH DIAGNOSTIC TROUBLE CODE P0440, P0441 AND/OR P0446 STORED. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10003965"}],"url":"https://open.wenmarpro.com/makes/toyota/sienna/2003/bulletins?code=P0446"},"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/toyota/sienna/2003/codes/P0446","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."]}