{"nhtsa_id":10109675,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-08-02","date":"2016-10-28","document_id":"TSB-TRA064","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN; ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"TSB: SERVICE ACTION: TCU UPGRADE ? DRIVING PERFORMANCE IMPROVEMENT (SA251) - This bulletin provides information related to the Transmission Control Unit (TCU) software upgrade for some 2017MY Sorento (UMa) 2.0T-GDI vehicles produced from April 7, 2016 to October 27, 2016 for a logic improvement. To apply the improved logic, the TCU should be reprogrammed using the GDS/KDS download, as described in this bulletin.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10109675-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10109675-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10109675","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"KIA","model":"SORENTO","year_from":2017,"year_to":2017,"match":"exact","vehicle_ids":["2017_kia_sorento"]}],"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":[]}