{"vehicle":{"id":"2017_buick_encore","year":2017,"make":"Buick","model":"Encore"},"code":"P0446","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":4,"bulletins":[{"nhtsa_id":10140338,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-06-11","date":"2017-11-29","document_id":"17NA383","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL","summary":"This technical bulletin provides a procedure to replace the evap canister for vehicles with the condition of Malfunction Indicator Lamp (MIL) Illuminated with DTC P0446 or P0455 Set due to spiders laying a nest within the canister.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10140338-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10140338-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10140338"},{"nhtsa_id":10113463,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-08-15","date":"2017-02-28","document_id":"PIC6250B","mfr_campaign":null,"component":"ENGINE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL","summary":"This Preliminary Information communication provides information to the technician about vehicles that have a check engine light. Technician will find Diagnostic Trouble Code P0446. Technician will need to replace the Evaporative Emissions System canister if spider nesting in the fresh air inlet port.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10113463-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10113463-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10113463"},{"nhtsa_id":10113347,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-08-15","date":"2017-01-26","document_id":"PIC6250A","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM","summary":"This Preliminary Information communication provides information to the technician about vehicles that have a check engine light. Technician will find Diagnostic Trouble Code P0446. Technician will need to replace the Evaporative Emissions System canister if spider nesting in the fresh air inlet port.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10113347-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10113347-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10113347"},{"nhtsa_id":10113316,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-08-15","date":"2017-01-11","document_id":"PIC6250","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; ENGINE AND ENGINE COOLING","summary":"This Preliminary Information communication provides information to the technician about vehicles that have a check engine light. Technician will find Diagnostic Trouble Code P0446. Technician will need to replace the Evaporative Emissions System canister if spider nesting in the fresh air inlet port.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10113316-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10113316-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10113316"}],"url":"https://open.wenmarpro.com/makes/buick/encore/2017/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/buick/encore/2017/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."]}