{"vehicle":{"id":"2024_gmc_sierra","year":2024,"make":"GMC","model":"Sierra"},"code":"P0449","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":5,"bulletins":[{"nhtsa_id":11016945,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-04-10","date":"2025-03-13","document_id":"23-NA-073","mfr_campaign":null,"component":"ENGINE","summary":"This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446, P0455 or P0449, Caused by Dust Intrusion into the Evaporative Canister.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11016945-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11016945-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11016945"},{"nhtsa_id":11010573,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-11-16","date":"2024-10-07","document_id":"23-NA-073","mfr_campaign":null,"component":"ENGINE","summary":"This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446, P0455 or P0449, Caused by Dust Intrusion into the Evaporative Canister.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11010573-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11010573-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11010573"},{"nhtsa_id":10251357,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-03-06","date":"2024-02-26","document_id":"23-NA-073","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING","summary":"This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446, P0455 or P0449, Caused by Dust Intrusion into the Evaporative Canister.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-10251357-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-10251357-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10251357"},{"nhtsa_id":10244171,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-10-16","date":"2023-09-20","document_id":"23-NA-073","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING","summary":"This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446, P0455 or P0449, Caused by Dust Intrusion into the Evaporative Canister.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10244171-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10244171-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10244171"},{"nhtsa_id":10239087,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-07-12","date":"2023-06-19","document_id":"23-NA-073","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING","summary":"This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446, P0455 or P0449, Caused by Dust Intrusion into the Evaporative Canister.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10239087-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10239087-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10239087"}],"url":"https://open.wenmarpro.com/makes/gmc/sierra/2024/bulletins?code=P0449"},"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/gmc/sierra/2024/codes/P0449","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."]}