{"nhtsa_id":11012361,"type":"service_campaign","type_name":"Service campaign","date_added":"2025-01-06","date":"2025-01-03","document_id":"25-01-001H DBP","mfr_campaign":"25-01-001H","replaces":null,"component":"FUEL/PROPULSION SYSTEM","mfr_system":null,"summary":"Certain 2021-2023MY Sonata (DN8) and 2020-2022MY Sonata (DN8A) vehicles may have Diagnostic Trouble Code (DTC) P0451 (also known as DTC P14EE00) stored in the Electronic Control Unit (ECU). 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-11012361-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11012361-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11012361","components":[{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":["P0451","P14EE"],"topics":[],"vehicles":[{"make":"HYUNDAI","model":"SONATA","year_from":2020,"year_to":2023,"match":"exact","vehicle_ids":["2020_hyundai_sonata","2021_hyundai_sonata","2022_hyundai_sonata","2023_hyundai_sonata"]}],"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":[]}