{"nhtsa_id":10172215,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-03-07","date":"2020-02-13","document_id":"20-01-008H","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"This bulletin provides information related to the Engine Control Module (ECM) software update for 2018 - 2019MY Elantra (AD/ADA) vehicles equipped with 2.0L engine. This software update includes cylinder imbalance learning logic optimization for Malfunction Indicator Light illumination with DTC P0300/P0301/P0302/P0303/P0304 (Cylinder “X” – misfire detected).","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10172215-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10172215-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10172215","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":["P0300","P0301","P0302","P0303","P0304"],"topics":[],"vehicles":[{"make":"HYUNDAI","model":"ELANTRA","year_from":2018,"year_to":2019,"match":"exact","vehicle_ids":["2018_hyundai_elantra","2019_hyundai_elantra"]}],"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":[]}