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Service bulletins for the 2025 Kia Sorento

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.

45 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
TSB_CLI049_R22026-09-02. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY/WIPER. 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. This bulletin provides information regarding the partial repair of the Air Conditioning (A/C) compressor assembly on some 2011MY~ Optima Hybrid (TF HEV, JF HEV/PHEV), 2015MY~ Soul EV (PS EV), 2017MY~ Niro (DE HEV/PHEV/EV), 2022MY~ EV6 (CV), 2021MY~ Sorento (MQ4 HEV/PHEV), 2023MY~ Sportage (NQ5 HEV/PHEV), and 2023MY~ Niro (SG2 EV/HEV/PHEV) vehicles.
OTA_ELE413_NOTES_R22026-06-18. Over-the-air update. ELECTRICAL 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.
TSB_ELE4222026-06-03. Service bulletin. ELECTRICAL 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 (2021-2026MY All Models).
OTA_ELE413_NOTES_R12026-05-01. Over-the-air update. ELECTRICAL 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.
TSB_ELE4172026-05-01. Service bulletin. ELECTRICAL 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.
WTY042_TSB2026-04-01. Service bulletin. ELECTRICAL SYSTEM. WARRANTY EXTENSION CAMPAIGN: TECHNICAL SERVICE BULLETIN: HORN ASSEMBLY INSPECTION AND REPLACEMENT (WTY042) - This bulletin provides information associated with the ‘Warranty Extension Program’ (WTY042) to inspect and, if necessary, replace the horn assembly on certain vehicles listed in the table below. The affected vehicles may experience an unusual or different horn sound than normal, or an inoperative horn, caused by corrosion inside the electric horn and/or carbonization of the contact point. The warranty coverage for repairs related to the horn assembly has been extended 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.
WTY042_REIMB2026-04-01. Warranty extension. ELECTRICAL SYSTEM. WARRANTY EXTENSION CAMPAIGN: REIMBURSEMENT FORM (WTY042) - 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 campaign program launch.
WTY042_QA2026-04-01. Warranty extension. ELECTRICAL SYSTEM. WARRANTY EXTENSION CAMPAIGN: QUESTION AND ANSWER (WTY042) - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Warranty Extension Campaign WTY042.
WTY042_OWNR2026-04-01. Warranty extension. ELECTRICAL SYSTEM. WARRANTY EXTENSION CAMPAIGN: OWNER NOTIFICATION (WTY042) - 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 certain 2021-2025 MY Sorento, 2021-2025 MY Sorento Hybrid (HEV), and 2022-2025 MY Sorento Plug-in Hybrid (PHEV) 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. This warranty extension is to address a horn sound malfunction condition free of charge at no cost to the customer.
WTY042_DPSM2026-04-01. Warranty extension. ELECTRICAL SYSTEM. WARRANTY EXTENSION CAMPAIGN: DEALER PARTS & SERVICE MANAGER MEMO (WTY042) - This document is the announcement to the dealer Parts and Service managers advising that Kia is is extending the New Vehicle Limited Warranty coverage, to all owners, for repairs related to the horn assembly for eligible vehicles, from 5 years / 60,000 miles to 10 years / 120,000 miles, whichever comes first, from the date the vehicle was first put into service. This warranty extension is to address a horn sound malfunction condition on 2021-2025 MY Sorento vehicles manufactured from September 10, 2020, through June 3, 2025, 2021-2025 MY Sorento Hybrid (HEV) vehicles manufactured from September 2, 2020, through January 24, 2025, and 2022-2025 MY Sorento Plug-In Hybrid (PHEV) vehicles manufactured from June 29, 2021, through January 20, 2025.
WTY042_DP2026-04-01. Warranty extension. ELECTRICAL SYSTEM. WARRANTY EXTENSION CAMPAIGN: DEALER PRINCIPAL MEMO (WTY042) - This document is the announcement to the dealer principals advising that Kia is is extending the New Vehicle Limited Warranty coverage, to all owners, for repairs related to the horn assembly for eligible vehicles, from 5 years / 60,000 miles to 10 years / 120,000 miles, whichever comes first, from the date the vehicle was first put into service. This warranty extension is to address a horn sound malfunction condition on 2021-2025 MY Sorento vehicles manufactured from September 10, 2020, through June 3, 2025, 2021-2025 MY Sorento Hybrid (HEV) vehicles manufactured from September 2, 2020, through January 24, 2025, and 2022-2025 MY Sorento Plug-In Hybrid (PHEV) vehicles manufactured from June 29, 2021, through January 20, 2025.
TSB_ELE4132026-03-31. Service bulletin. ELECTRICAL 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. This condition can impact convenience and connectivity features by causing the Remote Start and Remote Climate functions to become inoperative, prevent vehicle status updates in the Kia Access app, and interrupt connected navigation routing services.
OTA_ELE4132026-03-31. Over-the-air update. ELECTRICAL SYSTEM. RELEASE NOTES: OVER-THE-AIR: SOFWARE UPDATE FOR DATA CONNECTIVITY (ELE413) - This Over-the-Air (OTA) software update is designed to update the Data Connectivity Unit (DCU) logic of certain 2025 K5 and 2025 Sorento vehicles. This update is designed to improve the vehicle’s network communication performance. Additional information: This OTA will be rolled-out to all eligible K5 and Sorento vehicles with an active Kia Connect account.
SC339_OWNR2025-05-08. Service campaign. SEATS; ELECTRICAL SYSTEM. VOLUNTARY SERVICE CAMPAIGN: OWNER NOTIFICATION (SC339) - OWNER NOTIFICATION (SC339) - This document is the owner notification advising that Kia is conducting a Voluntary Service Campaign to inspect and, based on the inspection results, replace the right-hand 2nd-row seat cushion wire harness on certain 2024-2025 MY Sorento X-Line SX Prestige AWD and X-Pro SX Prestige AWD vehicles equipped with heated 2nd-row Captain’s Chairs. In addition, dealers will reroute the wiring harness and install additional protective covering to prevent damage to the wiring.
TSB_ELE341_R42025-03-08. Service bulletin. ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: COMBINATION TSB/SERVICE ACTION: CCNC – DEALER MODE, FACTORY & NETWORK RESET (SA613) - This bulletin has been revised as a Combination TSB/SA and includes additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information to access the ‘Dealer Mode’ function on 2024MY~ models listed on page 5 equipped with a Connected Car Navigation Cockpit (ccNC) head unit, and to perform a ‘Reset Network’ and/or ‘Factory Reset’ to address customer concerns related to activation of Kia Connect or Kia Connect features that may have stopped working.
TSB_ELE368_R12025-01-30. Service bulletin. ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: KIA CONNECT ACTIVATION FAILURE (SA600) - 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 access the ‘Dealer Mode’ function and perform a ‘Reset Network’ on certain 2025MY Multiple Model vehicles listed on page 7 equipped with a Connected Car Navigation Cockpit (ccNC) head unit to address customer concerns related to activation of Kia Connect due to missing modem data caused by a data transmission error.
TSB_ELE3682025-01-23. Service bulletin. ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: KIA CONNECT ACTIVATION FAILURE (SA600) - This bulletin provides information to access the ‘Dealer Mode’ function and perform a ‘Reset Network’ on certain 2025MY Multiple Model vehicles listed on page 7 equipped with a Connected Car Navigation Cockpit (ccNC) head unit to address customer concerns related to activation of Kia Connect due to missing modem data caused by a data transmission error.
TSB_ELE3642024-12-23. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: MOTOR CONTROL UNIT (MCU) LOGIC IMPROVEMENT (SA596) - This bulletin provides the procedure to update the Motor Control Unit (MCU) software on certain 2025MY Sorento HEV (MQ4 HEV) vehicles equipped with 19” wheels and produced from March 4, 2024 through November 9, 2024. The affected vehicles may exhibit traction motor noise, an inoperable A/C, and illuminated warning lights with DTCs P0A3C, P0AF0, P1B77 stored due to intermittent traction motor operation when the hybrid system powers ‘OFF’ during the engine clutch calibration procedure.
OTA_SA5912024-10-31. Over-the-air update. ELECTRICAL SYSTEM; VEHICLE SPEED CONTROL. OVER-THE-AIR: SOFTWARE UPDATE FOR INTELLIGENT SPEED LIMIT ASSIST (SA591) - This Over-the-Air (OTA) software update is designed to update the Engine Control Unit (ECU) logic of certain 2025 Sorento vehicles. This update is designed to improve the Intelligent Speed Limit Assist (ISLA)* function to more accurately adjust the target cruise control speed limit to the speed limit of the road.
TSB_ELE341_R32024-10-23. Service bulletin. ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: CCNC – DEALER MODE, FACTORY AND NETWORK RESET - 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 access the ‘Dealer Mode’ function on 2024MY~ models listed on page 5 equipped with a Connected Car Navigation Cockpit (ccNC) head unit, and to perform a ‘Reset Network’ and/or ‘Factory Reset’ to address customer concerns related to activation of Kia Connect or Kia Connect features that may have stopped working.
TSB_ELE3582024-10-23. Service bulletin. FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL; ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: ISLA LOGIC IMPROVEMENT (SA591) - This bulletin provides information to improve the Intelligent Speed Limit Assist (ISLA) function on certain 2025MY Sorento (MQ4a PE) vehicles equipped with 2.5L T-GDI Theta Ⅲ engines produced from June 25, 2024 through August 8, 2024. When using Smart Cruise Control with ISLA enabled, an affected vehicle may not automatically update the cruise set speed to a new posted speed limit due to a software logic error. If this occurs, the driver can manually change the cruise set speed and/or deactivate the cruise control normally by using the steering wheel controls and brake pedal.
TSB_ELE341_R22024-09-25. Service bulletin. ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: CCNC - DEALER MODE, FACTORY AND NETWORK RESET - 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 access the ‘Dealer Mode’ function on 2024MY~ models listed on page 5 equipped with a Connected Car Navigation Cockpit (ccNC) head unit, and to perform a ‘Reset Network’ and/or ‘Factory Reset’ to address customer concerns related to activation of Kia Connect or Kia Connect features that may have stopped working.
TSB_ELE341_R12024-07-31. Service bulletin. ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: CCNC - DEALER MODE, FACTORY AND NETWORK RESET - 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 access the ‘Dealer Mode’ function on 2024MY~ models listed on page 5 equipped with a Connected Car Navigation Cockpit (ccNC) head unit, and to perform a ‘Reset Network’ and/or ‘Factory Reset’ to address customer concerns related to activation of Kia Connect or Kia Connect features that may have stopped working.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.