2026 Kia K5 Technical Service Bulletins

17 technical service bulletins (TSBs) are on record for the 2026 Kia K5. 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.

• 11033980Jun 18, 2026Electrical system. RELEASE NOTES: OVER-THE-AIR: SOFTWARE UPDATE FOR DATA CONNECTIVITY (ELE413 Revision 2) - This Over-the-Air (OTA) software update is designed to update the Data Connectivity Unit (DCU) logic of certain 2025 - 2026MY Carnival, EV9, K5 and Sorento vehicles. This update is designed to improve the vehicle’s network communication performance.
• 11033992Jun 2, 2026Electrical system. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: BATTERY WIRING HARNESS COVERING INSPECTION / REPLACEMENT (SA645) - This bulletin provides information for inspecting the 12V battery wiring harness on certain 2025-2026 MY K5 (DL3) vehicles equipped with the Theta III 2.5L GDI engine, produced from February 20, 2024, through March 13, 2026.
• 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…
• 11031940Apr 24, 2026Electrical system. RELEASE NOTES: OVER-THE-AIR: SOFTWARE UPDATE FOR DATA CONNECTIVITY (ELE413 Revision 1) - This Over-the-Air (OTA) software update is designed to update the Data Connectivity Unit (DCU) logic of certain 2025 - 2026MY Carnival, 2025 - 2026MY K5 and 2025 - 2026MY Sorento vehicles. This update is designed to improve the vehicle’s network communication performance.
• 11031890Apr 17, 2026Transmission and drivetrain. TECHNICAL SERVICE BULLETIN: VOLUNTARY SERVICE CAMPAIGN: OIL LEVEL PLUG (OLP) INSPECTION, AND OLP GASKET AND/OR ATF FILLER BOLT REPLACEMENT OR A/T REPLACEMENT (SC363) - This bulletin provides information to inspect the oil level plug and automatic transmission fluid (ATF) for signs of leakage and, if necessary, replace the oil level plug gasket and/or ATF filler bolt, or the 8-speed Automatic Transaxle (A/T)…
• 11031876Apr 17, 2026Transmission and drivetrain. VOLUNTARY SERVICE CAMPAIGN: OWNER NOTIFICATION (SC363) - This document is the owner notification advising that Kia is conducting a Voluntary Service Campaign on certain 2025-2026 MY K5 vehicles to inspect the oil level plug and automatic transmission fluid (ATF) for signs of leakage and, if necessary, replace the oil level plug gasket and ATF filler bolt and ensure the oil level plug is tightened to Kia’s factory…
• 11031856Apr 15, 2026Transmission and drivetrain. VOLUNTARY SERVICE CAMPAIGN: DEALER PARTS AND SERVICE MANAGER MEMO (SC363) - This document is the announcement to the dealer Parts and Service managers advising that Kia is conducting a Voluntary Service Campaign to inspect the oil level plug and automatic transmission fluid (ATF) for signs of leakage and, if necessary, replace the oil level plug gasket and ATF filler bolt and ensure the oil level plug is tightened…
• 11031855Apr 15, 2026Transmission and drivetrain. VOLUNTARY SERVICE CAMPAIGN: DEALER PRINCIPAL MEMO (SC363) - This document is the announcement to the dealer principals advising that Kia is conducting a Voluntary Service Campaign to inspect the oil level plug and automatic transmission fluid (ATF) for signs of leakage and, if necessary, replace the oil level plug gasket and ATF filler bolt and ensure the oil level plug is tightened to Kia’s factory specifications.
• 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.
• 11031889Apr 14, 2026Transmission and drivetrain. VOLUNTARY SERVICE CAMPAIGN: QUESTION AND ANSWER (SC363) - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Voluntary Service Campaign SC363.
• 11030344Mar 20, 2026Electrical system. TECHNICAL SERVICE BULLETIN: DCU COMMUNICATION LOGIC IMPROVEMENT - This bulletin provides the procedure to upgrade the Data Connectivity Unit (DCU) system software on some 2025–2026MY vehicles listed in the table below. Kia has identified that Connected Car Services (CCS) functionality may intermittently fail due to temporary DCU communication issues.
• 11030380Mar 13, 2026Engine. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: THETA III 2.5 GDI ECM SW LOGIC IMPROVEMENT (SA642) - This bulletin provides information to upgrade the Engine Control Module ‘ECM’ system software on certain 2026MY K5 (DL3) vehicles produced from December 03, 2025 through March 09, 2026 equipped with 2.5 GDI Theta III engines. The affected vehicles may exhibit an intermittent “low oil level” message illuminated on the…
• 11028738Feb 10, 2026Engine. TECHNICAL SERVICE BULLETIN: DATA COLLECTION: EXTRACT CALIFORNIA EMISSIONS DATA FROM ECU (DC26) - 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 monitoring performance tracking” emissions data from the Engine Control Unit (ECU) of certain vehicles…
• 11027858Jan 28, 2026Engine. TECHNICAL SERVICE BULLETIN: DATA COLLECTION: EXTRACT CALIFORNIA EMISSIONS DATA FROM ECU (DC26) - This bulletin provides information related to extracting “in use monitoring performance tracking” emissions data from the Engine Control Unit (ECU) of certain vehicles sold in California. The California Air Resources Board (CARB) requires the emissions data from vehicles with a minimum of 3,000 accumulated miles without…
• 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.
• 11025767Nov 5, 2025Other or unknown. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: REAR SEAT CARPET FLOORMAT INSPECTION AND REPLACEMENT (SA628) - This Dealer Stock Service Action Technical Service Bulletin provides information to inspect the rear carpet floormats on certain 2026MY K5 (DL3) vehicles produced from SOP through July 2025, equipped with hooks on the rear floor; and equipped with the incorrect Port Installed Option Carpeted Floormats (PIO…
• 11023099Sep 10, 2025Electrical system. TECHNICAL SERVICE BULLETIN: CCNC – DEALER MODE NETWORK RESET (SA625) - This bulletin provides information to access the ‘Dealer Mode’ function on 2026MY models listed on page 6 equipped with a Connected Car Navigation Cockpit (ccNC) head unit, and to perform a ‘Reset Network’ to address customer concerns related to activation of Kia Connect or Kia Connect features that may have stopped working.

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