{"nhtsa_id":11011830,"type":"service_campaign","type_name":"Service campaign","date_added":"2024-12-13","date":"2024-12-10","document_id":"9B1 OL","mfr_campaign":"9B1","replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"The subject vehicles may have Diagnostic Trouble Code (DTC) P0451 stored in the ECU, which could cause the Check Engine Lamp to come on.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11011830-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11011830-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11011830","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["P0451"],"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":[]}