{"nhtsa_id":10130099,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-03-13","date":"2018-02-23","document_id":"TSBCHA060_R1","mfr_campaign":null,"replaces":null,"component":"STEERING: STEERING WHEEL/HANDLE BAR; STEERING","mfr_system":null,"summary":"TSB - ECM UPGRADE ? STEERING LOGIC IMPROVEMENT -This bulletin has been revised to include additional information. This bulletin provides information related to the MDPS ECU software upgrade for some 2011 ~ 2014MY Optima (TF/QF) vehicles, produced from Job #1 through July 27, 2014, which may experience a notchy feel in the steering wheel.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10130099-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10130099-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10130099","components":[{"id":"steering","name":"Steering","parent":null},{"id":"steering-column","name":"Steering column and wheel","parent":"steering"}],"codes":[],"topics":[],"vehicles":[{"make":"KIA","model":"OPTIMA","year_from":2011,"year_to":2014,"match":"exact","vehicle_ids":["2011_kia_optima","2012_kia_optima","2013_kia_optima","2014_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":[]}