{"nhtsa_id":10089477,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-01-25","date":"2016-03-17","document_id":"QASC126","mfr_campaign":null,"replaces":null,"component":"ENGINE; ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"\"QUESTIONS AND ANSWERS (SC126) – 2011MY KIA OPTIMA VEHICLES EQUIPPED WITH 2.4L ENGINE AND CALIFORNIA EMISSIONS ECM SOFTWARE UPDATE VOLUNTARY EMISSIONS SERVICE CAMPAIGN\"","document":null,"url":"https://open.wenmarpro.com/bulletins/10089477","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"KIA","model":"OPTIMA","year_from":2011,"year_to":2011,"match":"exact","vehicle_ids":["2011_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":[]}