{"nhtsa_id":11037385,"type":"emissions","type_name":"Emissions","date_added":"2026-09-18","date":"2026-09-08","document_id":"SC365_TSB","mfr_campaign":"SC365","replaces":null,"component":"ELECTRICAL SYSTEM; ENGINE","mfr_system":null,"summary":"TECHNICAL SERVICE BULLETIN: VOLUNTARY EMISSIONS SERVICE CAMPAIGN: This bulletin provides the procedure to update the emissions‑related logic of the Engine Control Unit (ECU) system software on certain 2019–2020MY Sorento (UMa) and 2019–2021MY Sedona (YP) vehicles equipped with the 3.3L GDI Lambda II engine, as listed in the table below. The subject vehicles may have been produced with engine calibrations that can cause the vehicle to release air pollutants that exceed Federal and California standards. These standards were established to protect the public’s health and welfare from the dangers of air pollution.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11037385-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11037385-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11037385","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KIA","model":"SEDONA","year_from":2019,"year_to":2021,"match":"exact","vehicle_ids":["2019_kia_sedona","2020_kia_sedona","2021_kia_sedona"]},{"make":"KIA","model":"SORENTO","year_from":2019,"year_to":2020,"match":"exact","vehicle_ids":["2019_kia_sorento","2020_kia_sorento"]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}