{"nhtsa_id":10241875,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-09-06","date":"2023-08-21","document_id":"23-EE-009H","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"This bulletin provides warranty procedure for EGR Valve replacement related to DTC P0401 EGR Flow Insufficient on 2020 and 2021MY Sonata (DN8a) equipped with 2.5 GDI Vehicles.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10241875-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10241875-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10241875","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P0401"],"topics":[],"vehicles":[{"make":"HYUNDAI","model":"SONATA","year_from":2020,"year_to":2021,"match":"exact","vehicle_ids":["2020_hyundai_sonata","2021_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":[]}