{"nhtsa_id":10191737,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-05-19","date":"2021-05-03","document_id":"TSB_TRA097","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"TECHNICAL SERVICE BULLETIN: SERVICE ACTION: IVT/CVT SW LOGIC IMPROVEMENT AND/OR IVT/CVT REPLACEMENT (SA476) - This bulletin provides the procedure to improve the software logic of the IVT (Intelligent Variable Transmission)/CVT (Continuous Variable Transmission) on some 2020MY Rio (SC) vehicles produced from July 1, 2019 through August 10, 2020 equipped with IVT/CVT, which may exhibit an MIL with DTCs. The affected vehicles may exhibit the illumination of the MIL with DTC(s) listed below in addition to lack of acceleration or delay in accelerating due to transmission slippage.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10191737-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10191737-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10191737","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KIA","model":"RIO","year_from":2020,"year_to":2020,"match":"exact","vehicle_ids":["2020_kia_rio"]}],"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":[]}