{"nhtsa_id":10199164,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-08-02","date":"2021-07-08","document_id":"PI2104_DP","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"PRODUCT IMPROVEMENT CAMPAIGN: DEALER PRINCIPAL MEMO - This document is the announcement to the dealer principals that Kia is conducting a Product Improvement Campaign to perform a software update to the Engine Control Unit (ECU) to protect the engine from excessive connecting rod bearing damage on 2014-2016 MY Kia Optima Hybrid vehicles equipped with 2.4-liter MPI engines, manufactured from December 11, 2013 through July 22, 2015.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10199164-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10199164-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10199164","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KIA","model":"OPTIMA HYBRID","year_from":2014,"year_to":2016,"match":"base","vehicle_ids":["2014_kia_optima","2015_kia_optima","2016_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":[]}