2021 Kia Seltos Technical Service Bulletins

134 technical service bulletins (TSBs) are on record for the 2021 Kia Seltos. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11034003Jun 8, 2026Body and structure. 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 area.
• 11033217May 28, 2026Electrical system. 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 software update may improve system performance, enhance existing features, and apply the latest operating software for supported vehicles…
• 11029040Feb 19, 2026Electrical system, Transmission and drivetrain. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: OWNER RENOTIFICATION (SC199 FL301) - This document is the owner renotification advising that Kia is conducting Voluntary Service Campaign to update the software programming on the Transmission Control Module (TCM) and, if necessary, replace the Intelligent Variable Transmission (IVT) on certain 2021 MY Seltos vehicles.
• 11026825Dec 18, 2025Body and structure. 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, which may not have been equipped with an immobilizer and whose Integrated Body Control Unit (IBU) / Body Control Module (BCM) did receive…
• 11026980Dec 17, 2025Body and structure. 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 model vehicles free of charge at authorized Kia dealers since 2023.
• 11026698Dec 9, 2025Back-over prevention (rear camera). 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 difference in signal transmission and reception times between the vehicle (ultrasonic sensor) and an object.
• 11024470Oct 22, 2025Electrical system. TECHNICAL SERVICE BULLETIN: IBU LOGIC IMPROVEMENT: 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 upgrade the Integrated Body Control Unit (IBU) software on some 2021-2025MY Seltos (SP2) vehicles produced from November 20, 2019 through January 13. 2025.
• 11024471Oct 21, 2025Electrical system. WARRANTY EXTENSION CAMPAIGN: TECHNICAL SERVICE BULLETIN: HORN ASSEMBLY INSPECTION/REPLACEMEN (WTY038) - 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 associated with the ‘Warranty Extension Program’ (WTY038) to inspect and, if necessary, replace the horn assembly on…
• 11022844Sep 4, 2025Electrical system, Engine. This bulletin provides instructions to perform an engine vibration inspection using the Kia Diagnostic System (KDS) tablet on certain Kia engine/model vehicles. The piston oil ring(s) in certain Kia engines may, over time, damage the surface of the engine cylinder wall. This may lead to increased oil consumption which will eventually result in abnormal noise from the engine and/or illumination of the oil pressure…
• 11022843Sep 4, 2025Engine. This bulletin provides information related to the Technical Service Bulletin previously published under SC336 titled “Engine Inspection/Replacement and ECM Logic Improvement”.
• 11021990Aug 19, 2025Electrical system. TECHNICAL SERVICE BULLETIN: IBU LOGIC IMPROVEMENT - This bulletin provides information to upgrade the Integrated Body Control Unit (IBU) software on some 2021-2025MY Seltos (SP2) vehicles produced from November 20, 2019 through January 13. 2025. When the key fob is stored near the vehicle, a signal generated by the IBU for the 'Welcome Function' can cause the key fob battery to become depleted.
• 11017172Apr 17, 2025Transmission and drivetrain. 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…
• 11017169Apr 4, 2025Engine, Electrical system. TECHNICAL SERVICE BULLETIN: PISTON NOISE SENSING SYSTEM (PNSS) INSPECTION - This bulletin provides instructions to perform an engine vibration inspection using the Kia Diagnostic System (KDS) tablet on certain 2020 - 2023 MY Kia Soul (SK3) 2021 - 2023 MY Seltos (SP2) Kia vehicles equipped with 2.0L Nu MPI Engines. The piston oil ring(s) in certain Kia engines may, over time, damage the surface of the engine…
• 11017109Apr 3, 2025Engine. 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 diagnosing and/or repairing some 2011-2024MY vehicles (refer to the table on pages 9 and 10 for applicable models and engine), which may…
• 11016935Apr 2, 2025Transmission and drivetrain. VOLUNTARY SERVICE CAMPAIGN: OWNER RENOTIFICATION (SC297) - This document is the owner renotification advising that Kia conducting a Voluntary Service Campaign to inspect and, if necessary, replace the AWD Control Unit in certain 2021-2023 MY Seltos all-wheel drive (AWD) vehicles that were originally sold in or are currently registered in one of the 36 states or District of Columbia with significant snowfall.
• 11015973Mar 20, 2025Electrical system. 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 following issues: remote Start/Climate Control function not working, vehicle Status on the Kia Access App not updating, connected routing not…
• 11014912Feb 28, 2025Engine. 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 diagnosing and/or repairing some 2011-2024MY vehicles (refer to the tables on pages 8-9 for applicable models and engine), which may exhibit a…
• 11012029Dec 19, 2024Electrical system. 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 software on Display Audio 2.0 (D2V) and AVN 5.0 Wide (AVN5W) head units on certain 2021-2023MY Kia vehicles (refer to pages 5 and 16).
• 11011765Dec 5, 2024Electrical system. TECHNICAL SERVICE BULLETIN: AVN 5.0 WIDE DEALER MODE FACTORY RESET - This bulletin provides the procedure to perform the ‘Dealer Mode Factory Reset’ on multiple 2020-2021MY vehicles (listed on page 5) equipped with AVN 5.0 Wide head units. The affected vehicles may exhibit inoperable and/or interrupted Kia Connect services due to a logic error with the current software version.
• 11010698Nov 15, 2024Electrical system. 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 update the software on 5th Generation AVN wide on certain 2020-2024MY Kia vehicles (refer to model list on page 8) to remedy a ‘non-responsive’…
• 11007859Sep 13, 2024Suspension. TECHNICAL SERVICE BULLETIN: FRONT STRUT BEARING & SPRING PAD REPLACEMENT - 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.
• 11008193Sep 5, 2024Transmission and drivetrain. TECHNICAL SERVICE BULLETIN: PRECAUTIONS FOR TRANSMISSIONS WITH ISG/EOP - This bulletin provides information related to the replacement or servicing of transmission assemblies on all Kia vehicles equipped with Idle-Stop-Go (ISG) and High-Flow Electric Oil Pump (HF EOP). The HF EOP protective connector cover may NOT have been installed on a new or remanufactured transmission during assembly.
• 11005364Jul 26, 2024Suspension. TECHNICAL SERVICE BULLETIN: FRONT STRUT BEARING & SPRING PAD REPLACEMENT - 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.
• 11005368Jul 25, 2024Electrical system. 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 Apple CarPlay®/Android Auto™ phone projection connectivity-related concerns.
• 11004932Jul 12, 2024Electrical system. TECHNICAL SERVICE BULLETIN: WARRANTY EXTENSION CAMPAIGN: HORN ASSEMBLY INSPECTION/REPLACEMENT (WTY038) - This bulletin provides information associated with the ‘Warranty Extension Program’ (WTY038) to inspect and, if necessary, replace the horn assembly on 2021-2024MY Seltos (SP2) vehicles produced from November 20, 2019 through May 2, 2024. The affected vehicles may experience a distorted or an inoperative horn…
• 11004263Jul 12, 2024Electrical system. WARRANTY EXTENSION CAMPAIGN: REQUEST FOR REIMBURSEMENT FORM (WTY038) - This document is a Reimbursement Request form that was mailed with the customer letter advising them to submit the form if they had paid for repairs for this same matter prior to the warranty extension program launch.
• 11004261Jul 12, 2024Electrical system. WARRANTY EXTENSION CAMPAIGN: OWNER NOTIFICATION (WTY038) - This document is the owner notification advising that Kia is extending the New Vehicle Limited Warranty coverage, to all owners, for repairs related to the horn assembly in 2021-2024 MY Seltos vehicles from 5 years / 60,000 miles to 10 years / 120,000 miles, whichever comes first, starting from the date the vehicle was first put into service.
• 11004930Jul 11, 2024Transmission and drivetrain. 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…
• 11004262Jul 10, 2024Electrical system. WARRANTY EXTENSION CAMPAIGN: QUESTION AND ANSWER (WTY038) - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Warranty Extension Campaign WTY038.
• 11004260Jul 10, 2024Electrical system. WARRANTY EXTENSION CAMPAIGN: DEALER PARTS AND SERVICE MANAGER MEMO (WTY038) - This document is the announcement to the dealer Parts and Service Managers that Kia is extending the New Vehicle Limited Warranty coverage, to all owners, for repairs related to the horn assembly in 2021-2024 MY Seltos vehicles from 5 years / 60,000 miles to 10 years / 120,000 miles, whichever comes first, starting from the date the…
• 11004227Jul 10, 2024Electrical system. WARRANTY EXTENSION CAMPAIGN: DEALER PRINCIPAL MEMO (WTY038) - This document is the announcement to the dealer principals advising that Kia is extending the New Vehicle Limited Warranty coverage, to all owners, for repairs related to the horn assembly in 2021-2024 MY Seltos vehicles from 5 years / 60,000 miles to 10 years / 120,000 miles, whichever comes first, starting from the date the vehicle was first put into…
• 11001836Jun 17, 2024Engine. TECHNICAL SERVICE BULLETIN: SUBSEQUENT REPAIR ACTION: ENGINE REPLACEMENT INSTRUCTIONS FOR PISTON RING NOISE DTC 1327 (SC209Y) - 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 related to the Technical Service Bulletin previously published in (SC209A) titled “ECM Logic…
• 11001600Jun 6, 2024Electrical system. TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: ANTI-THEFT S/W LOGIC UPGRADE & DECAL INSTALLATION (CS2309) - 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.
• 11000787May 16, 2024Transmission and drivetrain. 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.
• 10253539Apr 17, 2024Transmission and drivetrain, Electrical system. TECHNICAL SERVICE BULLETIN: VOLUNTARY SERVICE CAMPAIGN: 4WD ECU INSPECTION/REPLACEMENT (SC297) - This bulletin provides information to inspect and, if necessary, replace/repair the 4WD Electronic Control Unit (ECU) and wire harness and also to install a protective cover over the 4WD ECU on certain 2021-2023MY Seltos (SP2) All-Wheel Drive (AWD) vehicles produced from November 20, 2019 through March 2, 2023 that were…
• 10252798Apr 2, 2024Transmission and drivetrain. VOLUNTARY SERVICE CAMPAIGN: OWNER NOTIFICATION (SC297) - This document is the owner notification advising that Kia is conducting a Voluntary Service Campaign to inspect and, if necessary, replace the AWD Control Unit in certain 2021-2023 MY Seltos all-wheel drive (AWD) vehicles that were originally sold in or are currently registered in one of the 36 states or District of Columbia with significant snowfall.
• 10252090Mar 28, 2024Electrical system, Transmission and drivetrain. VOLUNTARY SERVICE CAMPAIGN: QUESTION AND ANSWER (SC297) - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Voluntary Service Campaign SC297.
• 10252089Mar 28, 2024Transmission and drivetrain. VOLUNTARY SERVICE CAMPAIGN: DEALER PARTS & SERVICE MANAGER MEMO (SC297) - This document is the announcement to the dealer Parts and Service Managers that Kia is conducting a Voluntary Service Campaign to inspect and, if necessary, replace the AWD Control Unit in certain 2021-2023 MY Seltos all-wheel drive (AWD) vehicles manufactured from November 20, 2019 through March 2, 2023 that were originally sold in or are…
• 10252088Mar 28, 2024Transmission and drivetrain. VOLUNTARY SERVICE CAMPAIGN: DEALER PRINCIPAL MEMO (SC297) - This document is the announcement to the dealer principals that Kia is conducting a Voluntary Service Campaign to inspect and, if necessary, replace the AWD Control Unit in certain 2021-2023 MY Seltos all-wheel drive (AWD) vehicles manufactured from November 20, 2019 through March 2, 2023 that were originally sold in or are currently registered in one of…
• 10250517Feb 9, 2024Electrical system. 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 update the software on 5th Generation AVN wide on certain 2020-2024MY Kia vehicles (refer to model list on page 3) to remedy a 'non-responsive'…
• 10248691Jan 8, 2024Suspension, Body and structure. TECHNICAL SERVICE BULLETIN: FRONT STRUT BEARING & SPRING PAD REPLACEMENT - This bulletin provides information to replace the front strut bearing and upper spring pad on both front (LH and RH) strut assemblies on certain 2019-2024MY Forte (BDm) vehicles produced from July 09, 2018 through present, 2020-2024MY Soul (SK3) vehicles produced from November 15, 2018 through present, and 2021-2024 Seltos (SP2) vehicles…
• 10248076Dec 21, 2023Electrical system. TECHNICAL SERVICE BULLETIN: CLUSTER UPGRADE FOR INTERMITTENT DISPLAY RESTARTING - This bulletin provides information to upgrade the Cluster (CLU) software logic on certain 2021-2023MY Seltos (SP2) vehicles equipped with a 7 in. TFT display instrument cluster, produced from November 20, 2019 through March 2, 2023. The affected vehicles may exhibit the instrument cluster intermittently restarting after entering a…
• 10247556Dec 7, 2023Equipment, Electrical system. TECHNICAL SERVICE BULLETIN: AVN 5.0 WIDE SCREEN FREEZING OR MAP DELAY WITH WIRED APPLE CARPLAY - This bulletin provides information to update the software on 5th Generation AVN wide on certain 2020-2023MY Kia vehicles to remedy an inaccurate map location, freezing AVN screen, or experiencing a delay when using Google Maps or Waze through wired Apple CarPlay.
• 10243928Oct 5, 2023Electrical system. TECHNICAL SERVICE BULLETIN: UNEVEN/SLIPPERY ROAD WARNING DISPLAYED ON INSTRUMENT CLUSTER - This bulletin provides information to update the software on 5th Generation AVN wide on certain 2020-2023MY Kia vehicles (refer to model list on page 3) to remedy a warning sound accompanied by a 'Slippery road ahead. Drive carefully' or 'Uneven road ahead. Drive carefully' warning which is displayed on the instrument cluster.
• 10242982Sep 28, 2023Equipment, Electrical system. This bulletin provides information to update the software on 5th Generation AVN wide on certain 2020-2024MY Kia vehicles (refer to model list on page 3) to remedy a 'non-responsive' or 'inoperative' radio (FM, AM, SXM, etc. ) concern. The affected AVN unit on the vehicles may not respond when pressing the 'RADIO' hard key/button on the AVN unit or when selecting the 'RADIO' icon on the AVN menu screen.
• 10242913Sep 25, 2023Transmission and drivetrain, Suspension, Steering. PITSTOP: AWD SYSTEM CONCERN DUE TO TIRE CIRCUMFERENCE - This Pitstop provides information regarding potential concerns with the All-Wheel-Drive (AWD) system due to tire sizes of differing circumference. Some customers may complain of a chatter sensation felt in the drivetrain of the vehicle and/or the failure of drivetrain component(s). A difference in tire size (width, aspect ratio, construction, rim diameter…
• 10241848Aug 31, 2023Electrical system, Equipment. TECHNICAL SERVICE BULLETIN: AVN 5.0 WIDE NON-RESPONSIVE RADIO ICON (AM, FM, SXM) - This bulletin provides information to update the software on 5th Generation AVN wide on certain 2020-2023MY Kia vehicles to remedy a 'non-responsive' or 'inoperative' radio (FM, AM, SXM, etc.) concern. The affected AVN unit on the vehicles may not respond when pressing the 'RADIO' hard key/button on the AVN…
• 10241444Aug 24, 2023Electrical system. CUSTOMER SATISFACTION CAMPAIGN: OWNER RE-NOTIFICATION - This document is the owner re-notification advising that Kia has developed a software upgrade that can be installed on the vehicle to restrict the operation of the vehicle's ignition system should a locked vehicle be the subject of a break-in and theft attempt without the key. This software upgrade will be available to the customer free of charge for eighteen…
• 10240563Aug 7, 2023Electrical system. TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: KIA GENUINE REMOTE START CONTROL MODULE UPGRADE FOR ANTI-THEFT LOGIC COMPATIBILITY (CS2310) - 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 software logic in the Kia Genuine Remote Start Control Module on…
• 10239718Jul 27, 2023Electrical system. TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: ANTI-THEFT S/W LOGIC UPGRADE & DECAL INSTALLATION (CS2309) - 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.

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