{"nhtsa_id":10109681,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-08-02","date":"2016-10-26","document_id":"TSB-TRA062R1","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN","mfr_system":null,"summary":"TSB: SERVICE ACTION: TCU UPGRADE ? DRIVING PERFORMANCE IMPROVEMENT (SA246) - This bulletin provides information related to the Transmission Control Unit (TCU) software upgrade for some 2017MY Sorento (UMa) 3.3L GDI vehicles produced from April 6, 2016 to October 20, 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-10109681-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10109681-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10109681","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":[]}