{"nhtsa_id":10145158,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-10-09","date":"2018-09-20","document_id":"VPI1802A1_DSM","mfr_campaign":null,"replaces":null,"component":"ENGINE; ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"PRODUCT IMPROVEMENT CAMPAIGN (PI1802A1) UPDATE - DEALER SERVICE MANAGER LETTER - As announced in July 2018, Kia Motors America, Inc. has been conducting a Product Improvement Campaign (PI1802) to perform a software update to protect the engine from excessive connecting rod bearing damage by utilizing a Knock Sensor Detection System (?KSDS?) on certain Kia vehicles. Since the launch of this Product Improvement Campaign, Kia has become aware that the KSDS software version installed on 2014~2015 MY Optima vehicles before September 7, 2018 has an error and requires the installation of a new corrected software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10145158-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10145158-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10145158","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":2014,"year_to":2015,"match":"exact","vehicle_ids":["2014_kia_optima","2015_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":[]}