2021 Kia Rio TSBs

59 manufacturer communications for the 2021 Kia Rio sit in NHTSA's public file. A TSB is factory repair guidance, not a recall — the repair is not automatically free. The 2021 Rio problem report covers complaints, recalls, and investigations.

59Communications

What the bulletins cover

Electrical36 bulletins
Body & structure14 bulletins
Engine9 bulletins
Steering5 bulletins
Transmission & drivetrain4 bulletins
Driver assistance3 bulletins

Most recent service bulletins

The 20 most recent of 59 communications on file. The complete set is searchable on NHTSA's page for this vehicle.

Body & structure CS2311_TSB_R4 June 9, 2026

TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: THEFT DETERRENT IGNITION: CYLINDER PROTECTOR & DECAL INSTALLATION (CS2311) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin…

Body & structure CS2312_TSB_R2 June 8, 2026

TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: THEFT DETERRENT IGNITION CYLINDER PROTECTOR AND DECAL INSTALLATION (CS2312) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin…

Electrical TSB_ELE422 May 28, 2026

TECHNICAL SERVICE BULLETIN: INFOTAINMENT SYSTEM SOFTWARE UPDATE USING UPDATE.KIA.COM - This bulletin provides information and service procedures for updating the infotainment systems on applicable Kia vehicles using the Kia Navigation Updater available at update.kia.com. The…

Body & structure TSB_CS2312_R1 February 19, 2026

TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: THEFT DETERRENT IGNITION CYLINDER PROTECTOR AND DECAL INSTALLATION (CS2312) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin…

Body & structure CS2311_OWNR_PC201 December 19, 2025

CUSTOMER SATISFACTION CAMPAIGN: POSTCARD OWNER RENOTIFICATION (CS2311) - This document is the owner renotification advising that Kia is conducting Customer Satisfaction Campaign. Kia has developed a new zinc-reinforced ignition cylinder protector hardware upgrade and can be…

Body & structure TSB_CS2312 December 18, 2025

TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: THEFT DETERRENT IGNITION CYLINDER PROTECTOR AND DECAL INSTALLATION (CS2312) - This bulletin provides information to install a Theft Deterrent Ignition Cylinder Protector on certain 2010-2022MY Kia vehicles outlined on page 19,…

Body & structure CS2312_OWNR December 17, 2025

CUSTOMER SATISFACTION CAMPAIGN: OWNER NOTIFICATION (CS2312) - This document is the owner notification advising that Kia is conducting Customer Satisfaction Campaign. A software upgrade that addresses the social media theft method has been made available to owners of eligible Kia…

Driver assistance PS797 December 9, 2025

PITSTOP: TECHNICAL OPERATIONS: EXTERNAL DAMAGE TO ULTRASONIC SENSOR: This Pitstop provides information related to Parking Distance Warning (PDW) alerts and repairs involving ultrasonic sensors. The PDW system alerts the driver while parking, by calculating distance based on the…

Transmission & drivetrain TSB_TRA046_R5 April 17, 2025

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…

Engine TSB_ENG222_R8 April 3, 2025

TECHNICAL SERVICE BULLETIN: EXCESSIVE OIL CONSUMPTION NU/GAMMA/THETA/KAPPA ENGINES - 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 on…

Electrical TSB_ELE378 March 20, 2025

TECHNICAL SERVICE BULLETIN: SERVICE ACTION: KIA CONNECT MODEM RESET (SA611) - This bulletin outlines the procedure for resetting the modem in certain 2016-2025MY Kia vehicles listed on page 3 that are equipped with Kia Connect Services. The affected vehicles may encounter the…

Engine TSB_ENG222_R7 February 28, 2025

TECHNICAL SERVICE BULLETIN: EXCESSIVE OIL CONSUMPTION NU/GAMMA/THETA/KAPPA ENGINES - 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 on…

Electrical TSB_ELE347_R1 December 19, 2024

TECHNICAL SERVICE BULLETIN: DISPLAY AUDIO 2.0V/AVN5W SOFTWARE UPDATE - 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 to update the…

Body & structure · Electrical · Steering CS2311_TSB_R3 October 18, 2024

TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: THEFT DETERRENT IGNITION CYLINDER PROTECTOR & DECAL INSTALLATION (CS2311) - 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.…

Electrical TSB_ELE347 July 25, 2024

TECHNICAL SERVICE BULLETIN: DISPLAY AUDIO 2.0V/AVN5W SOFTWARE UPDATE - This bulletin provides information to update the software on Display Audio 2.0 (D2V) and 5th Generation AVN Wide (AVN5W) head units on certain 2021-2023MY Kia vehicles. The affected vehicles may experience…

Transmission & drivetrain TSB_TRA109 July 11, 2024

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…

Electrical CS2307_TSB_R8 June 6, 2024

TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: ANTI-THEFT S/W LOGIC UPGRADE & DECAL INSTALLATION (CS2307) - 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…

Transmission & drivetrain TSB_TRA046_R4 May 16, 2024

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.

Electrical · Body & structure · Steering CS2311_TSB_R2 February 22, 2024

TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: THEFT DETERRENT IGNITION CYLINDER PROTECTOR & DECAL INSTALLATION (CS2311) - 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.…

Electrical TSB_ELE303_R2 February 9, 2024

TECHNICAL SERVICE BULLETIN: AVN 5.0 WIDE NON-RESPONSIVE RADIO ICON (AM, FM, SXM) - 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 to…

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Data updated 2026-08-20 from NHTSA's public records

Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.