{"nhtsa_id":10238485,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-07-05","date":"2023-06-12","document_id":"TSB_TRA102_R1","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"TECHNICAL SERVICE BULLETIN: IVT SOFTWARE LOGIC IMPROVEMENT AND/OR IVT REPLACEMENT - This bulletin provides the procedure to update the Transmission Control Module (TCM) software logic and, if necessary, replace the Intelligent Variable Transmission (IVT) assembly on certain 2019-2021MY model vehicles listed in the chart below, which may exhibit an MIL ON with the DTC(s) listed below and a lack/delay in acceleration due to transmission slippage.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10238485-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10238485-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10238485","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KIA","model":"FORTE","year_from":2019,"year_to":2021,"match":"exact","vehicle_ids":["2019_kia_forte","2020_kia_forte","2021_kia_forte"]},{"make":"KIA","model":"SELTOS","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_kia_seltos"]},{"make":"KIA","model":"SOUL","year_from":2020,"year_to":2021,"match":"exact","vehicle_ids":["2020_kia_soul","2021_kia_soul"]}],"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":[]}