Service bulletin TSB_TRA097

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
Type	Service bulletin
NHTSA id	10191061
Published by NHTSA	2021-05-04
Manufacturer's number	TSB_TRA097
Manufacturer's date	2021-04-29
NHTSA component	POWER TRAIN

NHTSA's 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 on with DTCs P0730, P0731, P0741, and P0867 (active, history, or pending).

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Transmission and driveline

Trouble codes named

P0730, P0731, P0741, P0867

Vehicles listed
KIA RIO	2020

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
TSB_TRA046_R5	2025-04-23. Service bulletin. TECHNICAL SERVICE BULLETIN: TRANSMISSION FLUID APPLICATION GUIDE - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information relating to the correct transmission fluid type and fill quantity requirement for each Kia model. A flush is required ONLY when a transmission is replaced, and the transmission oil cooler is transferred to the new transmission.
TSB_TRA109	2024-07-18. Service bulletin. TECHNICAL SERVICE BULLETIN: IVT OIL PRESSURE SENSOR REPLACEMENT: This bulletin provides information to replace the Intelligent Variable Transmission (IVT) Oil Pressure Sensor (OPS) on some 2018-2024MY vehicles listed on page 3 equipped with IVT. The affected vehicles may exhibit a malfunction indicator lamp (MIL) illuminated on the instrument cluster with DTCs P084500, P084600, and/or P0867XX present with no drivability concerns due to a failed IVT oil pressure sensor.
TSB_TRA046_R4	2024-06-04. Service bulletin. This bulletin provides information relating to the correct transmission fluid type and fill quantity requirement for each Kia model. A flush is required ONLY when a transmission is replaced.
TSB_TRA046_R3	2022-12-06. Service bulletin. TECHNICAL SERVICE BULLETIN: TRANSMISSION FLUID APPLICATION GUIDE - This bulletin provides information relating to the correct transmission fluid type and fill quantity requirement for each Kia model. A flush is required ONLY when a transmission is replaced, refer to applicable vehicles in the chart starting on page 2.
TSB_TRA097_R3	2022-08-03. Service bulletin. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: IVT/CVT SW LOGIC IMPROVEMENT AND/OR IVT/CVT REPLACEMENT (SA476) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area.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.
TSB_TRA097_R2	2022-02-04. Service bulletin. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: IVT/CVT SW LOGIC IMPROVEMENT AND/OR IVT/CVT REPLACEMENT (SA476) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. 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.
TSB_TRA097_R1	2021-08-02. Service bulletin. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: IVT/CVT SW LOGIC IMPROVEMENT AND/OR IVT/CVT REPLACEMENT (SA476) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. 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.
TSB_TRA097	2021-05-19. Service bulletin. 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.
TSB_TRA046_R1	2020-05-05. Service bulletin. TECHNICAL SERVICE BULLETIN: - TRANSMISSION FLUID APPLICATION GUIDE - This bulletin has been revised to include additional information. This bulletin provides information relating to the correct transmission fluid type and fill quantity requirement for each Kia model. A flush is required ONLY when a transmission is replaced, refer to applicable vehicles on page 2. Refer to the shop manual on KGIS for the specific Kia model for the correct transmission fluid check/fill procedures.