{"vehicle":{"id":"2024_hyundai_sonata","year":2024,"make":"Hyundai","model":"Sonata"},"code":"P0404","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":4,"bulletins":[{"nhtsa_id":11015669,"type":"service_campaign","type_name":"Service campaign","date_added":"2025-03-17","date":"2025-03-13","document_id":"25-01-023H TSB","mfr_campaign":"9B3","component":"ENGINE","summary":"The exhaust gas recirculation (EGR) valve assembly in certain vehicles (listed below) may contain a sensor that was contaminated with solder flux during manufacturing, which could potentially result in an electrical short. An electrical short within the EGR valve could lead to a Malfunction Indicator lamp (MIL) illumination (P0405, P0642, P0652, P0404/P049D/P240F). Follow the information in this bulletin to replace the EGR valve assembly and gasket.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11015669-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11015669-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11015669"},{"nhtsa_id":11015668,"type":"service_campaign","type_name":"Service campaign","date_added":"2025-03-17","date":"2025-03-13","document_id":"25-01-023H DN","mfr_campaign":"9B3","component":"ENGINE","summary":"The exhaust gas recirculation (EGR) valve assembly in certain vehicles may contain a sensor that was contaminated with solder flux during manufacturing, which could potentially result in an electrical short. An electrical short within the EGR valve could lead to a Malfunction Indicator lamp (MIL) illumination (P0405, P0642, P0652, P0404/P049D/P240F). The California Air Resources Board has determined that these vehicles may be releasing air pollutants which exceed Federal and California standards.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11015668-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11015668-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11015668"},{"nhtsa_id":11008137,"type":"service_campaign","type_name":"Service campaign","date_added":"2024-09-30","date":"2024-09-25","document_id":"24-01-080H","mfr_campaign":"SERVICE CAMPAIGN 9B3","component":"ENGINE","summary":"The exhaust gas recirculation (EGR) valve assembly in certain vehicles (listed below) may contain a sensor that was contaminated with solder flux during manufacturing, which could potentially result in an electrical short. An electrical short within the EGR valve could lead to a Malfunction Indicator lamp (MIL) illumination (P0405, P0642, P0652, P0404/P049D/P240F). Follow the information in this bulletin to replace the EGR valve assembly and gasket.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11008137-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11008137-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11008137"},{"nhtsa_id":11008136,"type":"service_campaign","type_name":"Service campaign","date_added":"2024-09-30","date":"2024-09-25","document_id":"24-01-080H","mfr_campaign":"SERVICE CAMPAIGN 9B3","component":"ENGINE","summary":"The exhaust gas recirculation (EGR) valve assembly in certain vehicles may contain a sensor that was contaminated with solder flux during manufacturing, which could potentially result in an electrical short. An electrical short within the EGR valve could lead to a Malfunction Indicator lamp (MIL) illumination (P0405, P0642, P0652, P0404/P049D/P240F). The California Air Resources Board has determined that these vehicles may be releasing air pollutants which exceed Federal and California standards.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11008136-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11008136-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11008136"}],"url":"https://open.wenmarpro.com/makes/hyundai/sonata/2024/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/hyundai/sonata/2024/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."]}