{"nhtsa_id":10152916,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-02-19","date":"2019-01-10","document_id":"TSBENG198","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"TSB: SERVICE ACTION: 2.4L GDI ENGINE START LOGIC IMPROVEMENT (SA369) - This bulletin provides the procedure to improve the logic of the Engine Control Unit (ECU) on some 2019MY Optima (JFa) vehicles, produced from May 21, 2018 through January 4, 2019, which may experience an intermittent difficult-to-start concern during a cold start.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10152916-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10152916-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10152916","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KIA","model":"OPTIMA","year_from":2019,"year_to":2019,"match":"exact","vehicle_ids":["2019_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":[]}