Kia Sorento Service Bulletins (2023)
75 manufacturer communications on file.
- December 8, 2025•Document ID: 11026530Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- TSB_ENG257
- Date Added:
- December 10, 2025
- Manufacturer:
- KIA
SummaryTECHNICAL SERVICE BULLETIN: ITM REPLACEMENT AND ECM & TCM LOGIC IMPROVEMENT (CA2508) - This bulletin provides information to replace the Integrated Thermal Management Module (ITM) and then upgrade the Engine Control Module ‘ECM’ and (if applicable) the Transmission Control Module ‘TCM’ system software on certain 2021-2023MY Sorento (MQ4a) vehicles produced from September 09, 2020 through December 19, 2023. The affected vehicles may experience an illuminated Multifunction Indicator Lamp (MIL) ‘ON’ with DTC(s) P218100, P2181F0, and/or P2181F1 stored. This condition may occur due to degradation of the diaphragm inside the ITM. There are no drivability or other symptoms associated with this condition.
Associated Products (3)Associated Documents - September 9, 2025•Document ID: 11023106Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- TSB_TRA112
- Date Added:
- September 12, 2025
- Manufacturer:
- KIA
SummaryTECHNICAL SERVICE BULLETIN: TRANSAXLE ASSEMBLY REPLACEMENT & HCU LOGIC IMPROVEMENT - This bulletin provides information to replace the transaxle assembly and upgrade the Hybrid Control Unit Low-Voltage DC Converter (HCULDC) software on some 2022-2024MY Sorento Plug-In Hybrid (MQ4 PHEV) vehicles equipped with a 1.6L T-GDI engine and All-Wheel Drive (AWD), produced from June 29, 2021 through January 10, 2024. Some vehicles may experience an illuminated Malfunction Indicator Lamp (MIL) with DTC P0C4E00 stored, accompanied by a rough transition when the vehicle switches between EV and HEV motive power.
Associated Products (3)Associated Documents - June 3, 2025•Document ID: 11019475Service Bulletin/Repair InstructionsSERVICE BRAKES
- Mfr Comm. #:
- TSB_CHA126V_R1
- Date Added:
- June 11, 2025
- Manufacturer:
- KIA
SummaryTECHNICAL SERVICE BULLETIN: FRONT BRAKE DISC 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. This bulletin provides the procedure to replace the front brake discs on certain 2021-2024MY Sorento (MQ4a) vehicles produced from July 26, 2021 through March 28, 2024 and 2023-2024MY Sportage (NQ5a) vehicles produced from January 7, 2022 through May 20, 2024 to address a customer’s complaint of brake judder. The affected vehicles may exhibit a vibrating and/or pulsing sensation (front brake disc judder) in the steering wheel, brake pedal, and/or seat when the brakes are applied during driving.
Associated Products (6)Associated Documents - May 13, 2025•Document ID: 11018298Service CampaignELECTRICAL SYSTEM; STRUCTURE:BODY
- Mfr Comm. #:
- SC298_OWNR_201
- Date Added:
- May 14, 2025
- Manufacturer:
- KIA
SummaryVOLUNTARY SERVICE CAMPAIGN: OWNER RENOTIFICATION (SC298) - This document is the owner renotification advising that Kia is conducting a Voluntary Service Campaign to apply additional body seam sealer to prevent potential water intrusion into the blower motor in certain 2023-2024 MY Sorento vehicles. Kia dealers will also inspect and, if necessary, replace the blower motor
Associated Products (2)Associated Documents - April 17, 2025•Document ID: 11017172Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- TSB_TRA046_R5
- Date Added:
- April 23, 2025
- Manufacturer:
- KIA
SummaryTECHNICAL 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.
Associated Products (165)Associated Documents - March 20, 2025•Document ID: 11015973Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- TSB_ELE378
- Date Added:
- March 26, 2025
- Manufacturer:
- KIA
SummaryTECHNICAL 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 functioning properly.
Associated Products (68)Associated Documents - February 7, 2025•Document ID: 11014236Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; ENGINE
- Mfr Comm. #:
- SC325_TSB
- Date Added:
- February 12, 2025
- Manufacturer:
- KIA
SummaryTECHNICAL SERVICE BULLETIN: VOLUNTARY SERVICE CAMPAIGN: AEWP INSPECTION AND REPLACEMENT (SC325) - This bulletin provides information to inspect and, if necessary, replace the Auxiliary Electric Water Pump (AEWP), control harness wiring, and/or engine room junction box for coolant intrusion and/or corrosion on certain 2023MY Niro Hybrid (HEV) and Plug-in Hybrid (PHEV), 2023MY Sportage HEV/PHEV, and 2022-2023MY Sorento HEV/PHEV Kia vehicles listed in this bulletin. The AEWP in the subject vehicles may crack internally and allow coolant to intrude into the AEWP circuitry. If coolant enters the AEWP circuitry, the Check Engine Light (CEL) may be illuminated with one or more DTCs listed on page 2. If the vehicle continues to be driven in this condition, the Active Air Flap (AAF) warning message can also activate, and coolant may eventually migrate through the wiring harness to the engine room junction block. This may result in a reduction of motive power and may cause the vehicle to release air pollutants which exceeds Federal and California standards. These standards were established to protect the public health and welfare from the dangers of air pollution.
Associated Products (4)Associated Documents - February 6, 2025•Document ID: 11013779EmissionsENGINE; ELECTRICAL SYSTEM
- Mfr Comm. #:
- SC325_OWNR_MQ4
- Date Added:
- February 5, 2025
- Manufacturer:
- KIA
SummaryVOLUNTARY EMISSIONS SERVICE CAMPAIGN: OWNER NOTIFICATION (SC325) - This document is the owner notification advising that Kia conducting Voluntary Emissions Service Campaign regarding the Auxiliary Electric Water Pump (AEWP) on certain 2022-2023 MY Sorento P/HEV vehicles. Kia has become aware that the Auxiliary Electric Water Pump (AEWP) in the subject vehicles may crack internally and allow coolant to intrude into the AEWP circuitry. If coolant enters the AEWP circuitry, the Check Engine light (CEL) may be illuminated. If the vehicle continues to be driven in this condition, the active air flap (AAF) warning message can also activate, and coolant may eventually migrate through the wiring harness to the engine room junction block. This may result in a reduction of drive power and may cause the vehicle to release air pollutants which exceed Federal and California standards. These standards were established to protect the public health and welfare from the dangers of air pollution.
Associated Products (2)Associated Documents - February 6, 2025•Document ID: 11013791EmissionsENGINE; ELECTRICAL SYSTEM
- Mfr Comm. #:
- SC325_STKR
- Date Added:
- February 5, 2025
- Manufacturer:
- KIA
SummaryVOLUNTARY EMISSIONS SERVICE CAMPAIGN: SC325_STKR: COMPLETION LABEL/STICKER
Associated Products (4)Associated Documents - February 6, 2025•Document ID: 11013786EmissionsELECTRICAL SYSTEM; ENGINE
- Mfr Comm. #:
- SC325_POC
- Date Added:
- February 5, 2025
- Manufacturer:
- KIA
SummaryVOLUNTARY EMISSIONS SERVICE CAMPAIGN: SC325_POC: PROOF OF CORRECTION CARD
Associated Products (4)Associated Documents - February 4, 2025•Document ID: 11013789EmissionsENGINE; ELECTRICAL SYSTEM
- Mfr Comm. #:
- SC325_QA
- Date Added:
- February 5, 2025
- Manufacturer:
- KIA
SummaryVOLUNTARY EMISSIONS SERVICE CAMPAIGN: QUESTION AND ANSWER (SC325) - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Voluntary Emissions Service Campaign SC325.
Associated Products (4)Associated Documents - February 4, 2025•Document ID: 11013772EmissionsENGINE; ELECTRICAL SYSTEM
- Mfr Comm. #:
- SC325_DPSM
- Date Added:
- February 5, 2025
- Manufacturer:
- KIA
SummaryVOLUNTARY EMISSIONS SERVICE CAMPAIGN: DEALER PARTS AND SERVICE MANAGER MEMO (SC325) - This document is the announcement to the dealer Parts and Service managers advising that Kia is conducting a Voluntary Emissions Service Campaign regarding the Auxiliary Electric Water Pump (AEWP) on certain 2023 MY Niro P/HEV, 2023 MY Sportage P/HEV, and 2022-2023 MY Sorento P/HEV vehicles. Kia has become aware that the Auxiliary Electric Water Pump (AEWP) in the subject vehicles may crack internally and allow coolant to intrude into the AEWP circuitry. If coolant enters the AEWP circuitry, the Check Engine light (CEL) may be illuminated. If the vehicle continues to be driven in this condition, the active air flap (AAF) warning message can also activate, and coolant may eventually migrate through the wiring harness to the engine room junction block. This may result in a reduction of drive power and may cause the vehicle to release air pollutants which exceed Federal and California standards. These standards were established to protect the public health and welfare from the dangers of air pollution.
Associated Products (4)Associated Documents - February 4, 2025•Document ID: 11013770EmissionsELECTRICAL SYSTEM; ENGINE
- Mfr Comm. #:
- SC325_DP
- Date Added:
- February 5, 2025
- Manufacturer:
- KIA
SummaryVOLUNTARY EMISSIONS SERVICE CAMPAIGN: DEALER PRINCIPAL MEMO (SC325) - This document is the announcement to the dealer principals advising that Kia is conducting a Voluntary Emissions Service Campaign regarding the Auxiliary Electric Water Pump (AEWP) on certain 2023 MY Niro P/HEV, 2023 MY Sportage P/HEV, and 2022-2023 MY Sorento P/HEV vehicles. Kia has become aware that the Auxiliary Electric Water Pump (AEWP) in the subject vehicles may crack internally and allow coolant to intrude into the AEWP circuitry. If coolant enters the AEWP circuitry, the Check Engine light (CEL) may be illuminated. If the vehicle continues to be driven in this condition, the active air flap (AAF) warning message can also activate, and coolant may eventually migrate through the wiring harness to the engine room junction block. This may result in a reduction of drive power and may cause the vehicle to release air pollutants which exceed Federal and California standards. These standards were established to protect the public health and welfare from the dangers of air pollution.
Associated Products (4)Associated Documents - December 19, 2024•Document ID: 11012029Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- TSB_ELE347_R1
- Date Added:
- December 20, 2024
- Manufacturer:
- KIA
SummaryTECHNICAL 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). The affected vehicles may experience Apple CarPlay®/Android Auto™ phone projection connectivity-related concerns.
Associated Products (21)Associated Documents - December 2, 2024•Document ID: 11011232Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- TSB_ELE352_R2
- Date Added:
- December 4, 2024
- Manufacturer:
- KIA
SummaryTECHNICAL SERVICE BULLETIN: SERVICE ACTION: AVN 5.0 WIDE NON-RESPONSIVE RADIO ICON (AM, FM, SXM) (SA582) - 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 2023-2024MYKia vehicles (refer to model list on page 8) 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.
Associated Products (8)Associated Documents - November 15, 2024•Document ID: 11010698Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- TSB_ELE303_R3
- Date Added:
- November 20, 2024
- Manufacturer:
- KIA
SummaryTECHNICAL 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’ 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.
Associated Products (28)Associated Documents - November 14, 2024•Document ID: 11010702Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; POWER TRAIN
- Mfr Comm. #:
- TSB_TRA111_R2
- Date Added:
- November 21, 2024
- Manufacturer:
- KIA
SummaryTECHNICAL SERVICE BULLETIN: 8-SPEED DUAL CLUTCH TRANSMISSION EOP SENSORLESS 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 improve the Electric Oil Pump ‘EOP’ operation logic of the automatic transmission ‘A/T’ on some 2021-2023MY Sorento (MQ4a) vehicles produced from September 9, 2020 through December 29, 2023 and 2021-2023MY K5 (DL3a) vehicles produced from March 24, 2020 to December 18, 2023, equipped with a 2.5L T-GDI Theta III engines and 8-Speed Dual Clutch Transmissions (DCT). The affected vehicles may exhibit abnormal/harsh shifting, gear slipping, no gear engagement in Drive ‘D’ and/or Reverse ‘R’ shift selection, accompanied by a Malfunction Indicator Lamp (MIL) ‘ON’ illuminated on the instrument cluster with DTC(s) P1C2D03, P1C2D1C, and/or P1C2E92 stored.
Associated Products (6)Associated Documents - November 13, 2024•Document ID: 11010699Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- TSB_ELE352_R1
- Date Added:
- November 20, 2024
- Manufacturer:
- KIA
SummaryTECHNICAL SERVICE BULLETIN: SERVICE ACTION: AVN 5.0 WIDE NON-RESPONSIVE RADIO ICON (AM, FM, SXM) (SA582) - 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 2023-2024MYKia vehicles (refer to model list on page 8) 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.
Associated Products (8)Associated Documents - October 24, 2024•Document ID: 11009491Service Bulletin/Repair InstructionsSERVICE BRAKES
- Mfr Comm. #:
- TSB_CHA126V
- Date Added:
- October 30, 2024
- Manufacturer:
- KIA
SummaryTECHNICAL SERVICE BULLETIN: FRONT BRAKE DISC JUDDER INSPECTION AND REPLACEMENT - This bulletin provides information to address vehicles that may be exhibiting front brake judder sensation while braking on certain 2021-2024MY Sorento (MQ4a) vehicles produced from July 26, 2021 through March 28, 2024 and 2023-2024MY Sportage (NQ5a) vehicles produced from January 7, 2022 through May 20, 2024. Brake judder is a vibration or pulsing sensation felt in the steering wheel, brake pedal, and/or seat when the brakes are applied while driving.
Associated Products (6)Associated Documents - August 22, 2024•Document ID: 11006664Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- TSB_TRA111_R1
- Date Added:
- August 29, 2024
- Manufacturer:
- KIA
SummaryTECHNICAL SERVICE BULLETIN: 8-SPEED DUAL CLUTCH TRANSMISSION EOP SENSORLESS 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 improve the Electric Oil Pump ‘EOP’ operation logic of the automatic transmission 'A/T’ on some 2021-2023MY Sorento (MQ4a) vehicles produced from September 9, 2020 through December 29, 2023 and 2021-2023MY K5 (DL3a) vehicles produced from March 24, 2020 to December 18, 2023, equipped with a 2.5L T-GDI Theta III engines and 8-Speed Dual Clutch Transmissions (DCT). The affected vehicles may exhibit abnormal/harsh shifting, gear slipping, no gear engagement in Drive ‘D’ and/or Reverse ‘R’ shift selection, accompanied by a Malfunction Indicator Lamp (MIL) ‘ON’ illuminated on the instrument cluster with DTC(s) P1C2D03, P1C2D1C, and/or P1C2E92 stored.
Associated Products (6)Associated Documents