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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.

By type

By component

By trouble code

Bulletins, newest first
SC353_TSB2025-12-02. Service bulletin. ENGINE. TECHNICAL SERVICE BULLETIN: VOLUNTARY SERVICE CAMPAIGN: ENGINE REPLACEMENT FOR COOLANT LEAK (SC353) - This bulletin provides information to address an engine coolant leak concern on certain 2025MY Sorento (MQ4a) vehicles equipped with a 2.5L Theta III T-GDI engine produced from December 18, 2024 through February 24, 2025 (see the list of 11 affected VINs below). The engine block in the subject vehicles may have a fracture, which can result in a coolant leak. Over time, continuing to operate the vehicle with this condition may result in an ‘Engine Overheated’ warning message displayed on the instrument cluster and cause damage to the vehicle’s engine.
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.
SC339_TSB2025-05-01. Service bulletin. SEATS. TECHNICAL SERVICE BULLETIN: VOLUNTARY SERVICE CAMPAIGN: RIGHT-HAND 2ND-ROW SEAT WIRING HARNESS INSPECTION/REPLACEMENT AND REROUTE (SC339) - This bulletin provides instructions to 1) inspect the right-hand 2nd-row seat cushion wiring harness and, if necessary, replace the wiring harness and 2) reroute the wiring harness and install additional protective covering to prevent damage to the wiring in certain 2024-2025 model year Sorento (MQ4a) vehicles equipped with heated 2nd-row captain’s chairs produced between December 7, 2023, and January 29, 2025.
SC339_QA2025-04-30. Service campaign. SEATS. VOLUNTARY SERVICE CAMPAIGN: QUESTION AND ANSWER (SC339) - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Voluntary Service Campaign SC339.
SC339_DPSM2025-04-30. Service campaign. SEATS. VOLUNTARY SERVICE CAMPAIGN: DEALER PARTS AND SERVICE MANAGER MEMO (SC339) - This document is the announcement to the dealer Parts and Service managers advising that Kia is conducting a Voluntary Service Campaign to inspect and, if necessary, replace the right-hand 2nd-row seat cushion wire harness on certain 2024-2025 MY Sorento X-Line Prestige AWD and X-Pro SX Prestige AWD vehicles equipped with heated 2nd-row Captain’s Chairs, manufactured from December 7, 2023 through January 29, 2025. Dealers will also reroute the wiring harness and install additional protective covering to prevent damage to the wiring.
SC339_DP2025-04-30. Service campaign. SEATS. VOLUNTARY SERVICE CAMPAIGN: DEALER PRINCIPAL MEMO (SC339) - This document is the announcement to the dealer principals advising that Kia is conducting a Voluntary Service Campaign to inspect and, if necessary, replace the right-hand 2nd-row seat cushion wire harness on certain 2024-2025 MY Sorento X-Line Prestige AWD and X-Pro SX Prestige AWD vehicles equipped with heated 2nd-row Captain’s Chairs, manufactured from December 7, 2023 through January 29, 2025. Dealers will also reroute the wiring harness and install additional protective covering to prevent damage to the wiring
TSB_TRA046_R52025-04-23. Service bulletin. POWER TRAIN. 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 transmission oil cooler is transferred to the new transmission.
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_CHA127V2025-03-07. Service bulletin. SUSPENSION. TECHNICAL SERVICE BULLETIN: REAR SHOCK ABSORBER REPLACEMENT - This bulletin provides information to address vehicles that may be exhibiting a ‘clunking’ noise from the rear suspension while traveling over rough/bumpy terrain on certain 2024-2025MY Sorento (MQ4a) vehicles produced from January 6, 2024 through January 31, 2025. The noise on the affected vehicles may have been caused due to a decrease of gas pressure from within the shock absorber body.
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.
TSB_BOD3312024-11-14. Service bulletin. STRUCTURE:BODY. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: FRONT OUTER DOOR HANDLE UNLOCK SENSOR (SA587) - This bulletin provides the procedure to improve the moisture seal both (LH and RH side) outer front door handles on certain 2025MY Sorento PHEV and HEV (MQ4 P/HEV) vehicles equipped with capacitive touch door handles, produced from April 15, 2024 through July 8, 2024. The affected vehicles may intermittently exhibit an inability to ‘unlock’ the front doors using the capacity touch door handle feature. When the outer front door handle gets wet, moisture may become trapped between the door handle grip body and the unlock touch sensor element which can reduce the touch input sensitivity. The front door(s) can be unlocked using the key fob if the door handle unlock touch sensor does not respond.
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_BOD3322024-09-25. Service bulletin. STRUCTURE:BODY. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: DOOR BELT OUTSIDE WEATHERSTRIP REPLACEMENT (SA589) - This bulletin provides information to replace all four door belt outside weatherstrips on certain 2025MY Sorento (MQ4a) vehicles produced from July 24, 2024 through August 13, 2024. During the manufacturing process, a lower temperature was used during the bonding and drying process which caused a decreased in adhesion between the rubber seal and outer belt molding which can cause the rubber seal to separate from the outer belt molding on the affected vehicles.
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.
TSB_TRA046_R42024-06-04. Service bulletin. POWER TRAIN. 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.

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