{"vehicle":{"id":"2024_hyundai_tucson","year":2024,"make":"Hyundai","model":"Tucson"},"code":"P0404","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":7,"bulletins":[{"nhtsa_id":11038465,"type":"service_campaign","type_name":"Service campaign","date_added":"2026-10-14","date":"2026-10-09","document_id":"26-01-081H DCS","mfr_campaign":"9C7","component":"ENGINE","summary":"Certain Santa Fe Hybrid (TM HEV), Santa Fe Plug-in Hybrid (TM PHEV), Tucson Hybrid (NX4 HEV), andTucson Plug-in Hybrid (NX4 PHEV) vehicles may experience intake air line freezing and Exhaust GasRecirculation (EGR) valve corrosion due to excessive condensation accumulating within the EGR system.This condition can lead to drivability concerns related to the following DTCs: - P040400: (Exhaust Gas Recirculation Control Circuit Range) - P049D00: (EGR 'A' Control Position Exceeded Learning Limit) - P047100: (Exhaust Pressure Sensor 'A' Circuit Range/Performance) - P012800: Coolant Thermostat (Coolant Temperature below Thermostat Regulation Temperature) - P262B00: (Control Module Power Off Timer Performance) - P050C00: Cold Start Engine Coolant Temperature Performance - P1DFD00: (EVAP System Purge Pump Target Speed) - P2DFD00: (EVAP System Purge Pump Performance) - P112000: (Inlet Metering Valve – Malfunction) - P033500: (Crankshaft Position Sensor A)","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11038465-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11038465-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11038465"},{"nhtsa_id":11038433,"type":"service_campaign","type_name":"Service campaign","date_added":"2026-10-09","date":"2026-10-08","document_id":"26-01-081H TSB","mfr_campaign":"9C7","component":"ENGINE","summary":"Certain Santa Fe Hybrid (TM HEV), Santa Fe Plug-in Hybrid (TM PHEV), Tucson Hybrid (NX4 HEV), and Tucson Plug-in Hybrid (NX4 PHEV) vehicles may experience intake air line freezing and Exhaust Gas Recirculation (EGR) valve corrosion due to excessive condensation accumulating within the EGR system. This condition can lead to drivability concerns related to the following DTCs: • P040400: (Exhaust Gas Recirculation Control Circuit Range) • P049D00: (EGR 'A' Control Position Exceeded Learning Limit) • P047100: (Exhaust Pressure Sensor 'A' Circuit Range/Performance) • P012800: Coolant Thermostat (Coolant Temperature below Thermostat Regulation Temperature) • P262B00: (Control Module Power Off Timer Performance) • P050C00: Cold Start Engine Coolant Temperature Performance • P1DFD00: (EVAP System Purge Pump Target Speed) • P2DFD00: (EVAP System Purge Pump Performance) • P112000: (Inlet Metering Valve – Malfunction) • P033500: (Crankshaft Position Sensor A) The bulletin below provides instructions to perform a software update for the Engine Control Module (ECM).","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11038433-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11038433-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11038433"},{"nhtsa_id":11038432,"type":"service_campaign","type_name":"Service campaign","date_added":"2026-10-09","date":"2026-10-08","document_id":"26-01-081H DN","mfr_campaign":"9C7","component":"ENGINE","summary":"Certain Santa Fe Hybrid (TM HEV), Santa Fe Plug-in Hybrid (TM PHEV), Tucson Hybrid (NX4 HEV), and Tucson Plug-in Hybrid (NX4 PHEV) vehicles may experience intake air line freezing and Exhaust Gas Recirculation (EGR) valve corrosion due to excessive condensation accumulating within the EGR system. This condition can lead to drivability concerns related to the following DTCs: • P040400: (Exhaust Gas Recirculation Control Circuit Range) • P049D00: (EGR 'A' Control Position Exceeded Learning Limit) • P047100: (Exhaust Pressure Sensor 'A' Circuit Range/Performance) • P012800: Coolant Thermostat (Coolant Temperature below Thermostat Regulation Temperature) • P262B00: (Control Module Power Off Timer Performance) • P050C00: Cold Start Engine Coolant Temperature Performance • P1DFD00: (EVAP System Purge Pump Target Speed) • P2DFD00: (EVAP System Purge Pump Performance) • P112000: (Inlet Metering Valve – Malfunction) • P033500: (Crankshaft Position Sensor A)","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11038432-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11038432-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11038432"},{"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/tucson/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/tucson/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."]}