{"nhtsa_id":11037388,"type":"emissions","type_name":"Emissions","date_added":"2026-09-18","date":"2026-09-09","document_id":"SC367_DP","mfr_campaign":"SC367","replaces":null,"component":"ENGINE; ELECTRICAL SYSTEM","mfr_system":null,"summary":"VOLUNTARY EMISSIONS SERVICE CAMPAIGN: DEALER PRINCIPAL MEMO (SC367) - This document is the announcement to the dealer principals advising that Kia is conducting an important Voluntary Emissions Service Campaign to improve the emissions software logic in the Electronic Control Module (ECM) to ensure compliance with emissions regulations for 2019-2020 MY Optima vehicles manufactured from May 21, 2018, through June 1, 2020, equipped with the 1.6L T-GDI engine.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11037388-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11037388-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11037388","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KIA","model":"OPTIMA","year_from":2019,"year_to":2020,"match":"exact","vehicle_ids":["2019_kia_optima","2020_kia_optima"]}],"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":[]}