2021 Kia Niro Technical Service Bulletins

53 technical service bulletins (TSBs) are on record for the 2021 Kia Niro. 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.

• 11036628Aug 28, 2026Visibility (wipers, defrost, mirrors), Electrical system. TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR – ELECTRICAL A/C COMPRESSOR - 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.
• 11033933Jun 15, 2026Fuel system, Electrical system. TECHNICAL SERVICE BULLETIN: PRODUCT IMPROVEMENT CAMPAIGN: BMS BATTERY DIAGNOSTIC LOGIC IMPROVEMENT (PI2603) - This bulletin provides information regarding a Battery Management System (BMS) software update for certain 2020–2022MY Niro (DE EV) vehicles produced from June 2, 2020, through November 8, 2021.
• 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…
• 11031906Apr 14, 2026Electrical system. TECHNICAL SERVICE BULLETIN: INFOTAINMENT SOFTWARE UPDATE PROCEDURE - This bulletin provides information on the process for downloading infotainment software updates and preparing USB for installation on applicable Kia vehicles. The software downloads and USB preparation process is similar across all supported platforms; however, in‑vehicle installation procedures vary by head unit type.
• 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.
• 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…
• 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…
• 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’…
• 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.
• 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.
• 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'…
• 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.
• 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.
• 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…
• 10240318Jul 6, 2023Electrical system. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: DA 2.0V SOFTWARE UPDATE FOR KIA ACCESS APP MISSING ODOMETER READING (SA493) - 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.
• 10238225Jun 26, 2023Visibility (wipers, defrost, mirrors), Electrical system. TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR - ELECTRICAL A/C COMPRESSOR - 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.
• 10237139May 31, 2023Body and structure, Interior lighting, Latches, locks and linkages. TECHNICAL SERVICE BULLETIN: OVERHEAD CONSOLE SUNGLASS DOOR-LATCH REPAIR - This bulletin provides information to repair the overhead console lamp assembly and sunglass door latch on some 2012-2023MY model vehicles listed in the table below, which may encounter the sunglass case of the overhead console lamp not closing properly.
• 10235104Apr 7, 2023Electrical system. PIT STOP: LOG FILE COLLECTION FOR AVN 5.0/W AND DISPLAY AUDIO 2.0 - 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 Pitstop contains information regarding the log file collection procedure for 2020MY~ models equipped with AVN 5.0/W or Display Audio 2.0 head units.
• 10226555Nov 18, 2022Transmission and drivetrain. 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.
• 10220346Sep 16, 2022Electrical system, Engine cooling. TECHNICAL SERVICE BULLETIN: MAINTENANCE REMINDER FEATURE - 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 setting the "Service Interval Reminder" feature available on most 2014-2023MY Kia vehicles (refer to model list on page 2).
• 10217892Aug 16, 2022Electrical system. TECHNICAL SERVICE BULLETIN: SERVICE REMINDER SETTING RESET PROCEDURE - This bulletin provides the procedure to turn OFF the service reminder lamp, at the first service interval reminder alert that will display on the instrument cluster. The KDS is required to change the setting from "Workshop" to "Customer Mode."
• 10217891Aug 10, 2022Seats, Electrical system. PITSTOP: REAR OCCUPANT ALERT (ROA) W/REAR DOOR LOGIC - 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 Pitstop provides information regarding the Rear Occupant Alert (ROA) with Rear Door Logic system on all 21MY~ models equipped with this feature. This system is designed to help prevent a rear passenger…
• 10212200May 19, 2022Engine cooling. PITSTOP: RANDOM MISFIRES/OVERHEATING DUE TO LOW COOLANT - This Pitstop provides information to help identify one cause of low coolant, random misfires, and/or possible overheating on some 2017-2022MY Niro HEV (DE HEV) and 2018-2022MY Niro PHEV (DE PHEV) vehicles. The cause may be a small coolant leak in the EGR Cooler. Locating this leak may be difficult.
• 10210264Apr 7, 2022Fuel system, Electrical system. TECHNICAL SERVICE BULLETIN: HIGH-VOLTAGE BATTERY ORDERING AND RETURN PROCEDURE - 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 outlines the ordering and return procedure for high-voltage Lithium-ion batteries equipped on EV/hybrid vehicles (hereafter referred to as "high-voltage batteries" or…
• 10209455Mar 30, 2022Electrical system. PITSTOP: INSTRUMENT CLUSTER REPLACEMENT AND MILEAGE SETTING WITH KDS - 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 pitstop provides the KDS service procedure for mileage setting on the models listed below with newly replaced instrument clusters.
• 10209435Mar 2, 2022Electrical system. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: DA 2.0V SOFTWARE UPDATE FOR KIA ACCESS APP MISSING ODOMETER READING (SA493) - This bulletin provides information to update the Display Audio 2.0 Value software on some 2021-2022MY Niro EV, HEV and PHEV models listed below, which may not report/display the odometer reading through the Kia Access App (a Connected Car Telematics app). The odometer reading displayed on the…
• 10205425Dec 2, 2021Equipment, Electrical system, Vehicle speed control, Lane departure, Forward…. TECHNICAL SERVICE BULLETIN: FRONT VIEW CAMERA REPLACEMENT FOR DTC C160449 & C160649 - 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 the inspection and replacement of the front camera on some vehicles.
• 10203456Nov 5, 2021Electrical system, Engine cooling. PITSTOP: NO START / NO DTC WITH KEY IGNITION - This Pitstop provides information to help troubleshoot a "no start" symptom on some 2017-2022MY Niro LX HEV (DE HEV) vehicles with standard 'key start' ignition. The 'Ready' icon on the instrument cluster will not illuminate 'ON'. The issue happens when the Hybrid Power Control Unit (HPCU) does not unlock the immobilizer when the start signal is sent.
• 10202227Oct 6, 2021Steering. TECHNICAL SERVICE BULLETIN: REPLACEMENT OF MOBIS C-MDPS SMALL BEARING - This bulletin provides the procedure to replace the small bearing of the Column Motor Driven Power Steering (C-MDPS) unit on the vehicles listed below, which may exhibit an abnormal noise when steering left and right. This may be caused by foreign substances in the MDPS worm shaft small bearing.
• 10202226Oct 5, 2021Steering. TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR OF C-MDPS MOTOR, ECU, WORM GEAR AND/OR STEERING COLUMN HOUSING - 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 regarding the partial repair of the Motor Driven Power Steering (MDPS) Motor, Electronic Control Unit (ECU), Steering…
• 10201616Sep 27, 2021Equipment, Engine cooling. PITSTOP: ENGINE OVERHEATING IN NIRO HEV/PHEV - This Pitstop provides information to help troubleshoot an overheating symptom on some 2017-2022MY Niro HEV (DE HEV) and 2018-2022MY Niro PHEV (DE PHEV) which may exhibit coolant boiling in the reservoir. Overheating may occur due to a bypass valve in the Exhaust Heat Recovery System (EHRS) stuck in the closed position.
• 10201527Sep 15, 2021Transmission and drivetrain, Electrical system. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: HCU/LDC LOGIC IMPROVEMENT FOR P-DTC (SA484) - This bulletin provides the procedure to update the software logic of the Hybrid Control Unit/Low Voltage DC/DC Converter (HCU/LDC) system on some 2020-2021MY Niro HEV (DE HEV) and Niro PHEV (DE PHEV) vehicles produced in the date ranges shown below, which may incorrectly set a Power Train Diagnostic Trouble Code (P-DTC).
• 10201529Sep 13, 2021Body and structure, Exterior lighting. TECHNICAL SERVICE BULLETIN: INFORMATION FOR HEADLAMP CONDENSATION AND MOISTURE - 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 some Kia models that may exhibit fogging, condensation, and/or moisture inside a headlamp assembly.
• 10201429Sep 10, 2021Equipment, Forward collision avoidance, Lane departure, Electrical system. TECHNICAL SERVICE BULLETIN: FRONT VIEW CAMERA REPLACEMENT AND SOFTWARE UPGRADE INSTALLATION - 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 update the software logic of the front view camera system (FR_CMR) on the vehicles listed below, when a new replacement Front View…
• 10200550Aug 24, 2021Lane departure, Forward collision avoidance, Electrical system, Vehicle speed…. TECHNICAL SERVICE BULLETIN: FRONT VIEW CAMERA REPLACEMENT FOR DTC C160449 & C160649 - 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 the inspection and replacement of the front camera on some vehicles.
• 10200524Aug 23, 2021Lane departure, Forward collision avoidance, Electrical system. TECHNICAL SERVICE BULLETIN: FRONT VIEW CAMERA REPLACEMENT AND SOFTWARE UPGRADE INSTALLATION - This bulletin provides the procedure to update the software logic of the Front Camera (FR_CMR) system on the vehicles listed below, which have had a new replacement Front View Camera installed without software upgrade. If the S/W is not upgraded, units will exhibit a warning light ON with Diagnostic Trouble Codes (DTCs)…
• 10200535Aug 19, 2021Electrical system. TECHNICAL SERVICE BULLETIN: HIGH-VOLTAGE BATTERY ORDERING AND RETURN PROCEDURE - 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 outlines the ordering and return procedure for high-voltage Lithium-ion batteries equipped on EV/hybrid vehicles (hereafter referred to as "high-voltage batteries" or…
• 10200525Aug 3, 2021Forward collision avoidance, Electrical system. PITSTOP: FRONT RADAR SENSOR MOUNTING INSPECTION (PS704) - This pitstop provides information regarding front radar sensor alignment on 2014MY and later vehicles that may exhibit a warning light ON related to radar sensor alignment errors in the Forward Collision-Avoidance Assist (FCA)/Smart Cruise Control (SCC) system.
• 10198619Jun 24, 2021Electrical system. PITSTOP: BLUETOOTH MEMORY AND VOICE RECOGNITION CONCERN WITH AVN 5.0/W - This Pitstop provides information for resolving a memory concern with the AVN 5.0 Wide head unit while downloading the contact list from a paired phone. The concern also affects Voice Recognition (VR) functionality.
• 10196825Jun 9, 2021Electrical system. PIT STOP: LOG FILE COLLECTION FOR AVN 5.0/W AND DISPLAY AUDIO 2.0 - 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 Pitstop contains information regarding the log file collection procedure for 2020MY~ models equipped with AVN 5.0/W or Display Audio 2.0 head units.
• 10195049Jun 4, 2021Visibility (wipers, defrost, mirrors). PIT STOP: A/C DYE FOR E-COMPRESSOR EQUIPPED VEHICLES - This bulletin provides information on the proper non-conductive A/C system leak detection dye to be used in all EV, HEV, and PHEV models equipped with an electric A/C compressor.
• 10190178Apr 8, 2021Electrical system. TECHNICAL SERVICE BULLETIN: SERVICE REMINDER SETTING RESET PROCEDURE - 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 turn OFF the service reminder lamp, at the first service interval reminder alert that will display on the instrument cluster.
• 10189545Mar 25, 2021Steering. TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR OF C-MDPS MOTOR, ECU, WORM GEAR AND/OR STEERING COLUMN HOUSING - 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 regarding the partial repair of the Motor Driven Power Steering (MDPS) Motor, Electronic Control Unit (ECU), Steering…
• 10189269Mar 12, 2021Electrical system. PITSTOP: LOG FILE COLLECTION FOR AVN 5.0/W & DISPLAY AUDIO 2.0 - This Pitstop contains information regarding the log file collection procedure for 2020MY~ models equipped with AVN 5.0/W or Display Audio 2.0 head units.
• 10189270Mar 11, 2021Electrical system. TECHNICAL SERVICE BULLETIN: SERVICE REMINDER SETTING RESET PROCEDURE - 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 turn OFF the service reminder lamp, at the first service interval reminder alert that will display on the instrument cluster.
• 10188137Feb 24, 2021Engine cooling. PITSTOP/TECHNICAL OPERATIONS - SMOKE MACHINE NOT TO BE USED FOR EMISSIONS TESTING WITH HEV/PHEV MODELS - This Pitstop provides information to properly test the evaporative emissions system in all Kia 2011MY~ Hybrid (HEV) and Plug-In Hybrid (PHEV) model vehicles. A smoke machine should NEVER be used when testing the evaporative system in a HEV/PHEV model vehicle.
• 10187822Feb 5, 2021Transmission and drivetrain. TECHNICAL SERVICE BULLETIN: 6-SPEED DCT SHIFT IMPACT/NOISE INSPECTION AND OIL REPLACEMENT - This bulletin provides the inspection method and procedure on some 2019-2020MY Niro (DE HEV/PHEV) vehicles equipped with 6-speed Dual Clutch Transmission (DCT), produced after January 11, 2019, which may exhibit an intermittent noise and/or shift impact.
• 10187820Feb 3, 2021Engine cooling. TECHNICAL SERVICE BULLETIN: DATA COLLECTION: EXTRACT CALIFORNIA EMISSIONS DATA FROM ECU (DC21) - 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 extracting “in use performance tracking” emissions data from the Engine Control Unit (ECU) of…

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