Kia Sorento Service Bulletins
984 manufacturer communications on file.
- October 23, 2025•Document ID: 11024469EmissionsELECTRICAL SYSTEM; ENGINE
- Mfr Comm. #:
- SC340_STKR
- Date Added:
- October 24, 2025
- Manufacturer:
- KIA
SummarySC340_STKR: VOLUNTARY EMISSIONS SERVICE CAMPAIGN COMPLETION LABEL/STICKER
Associated Products (17)Associated Documents - October 23, 2025•Document ID: 11024468EmissionsENGINE; ELECTRICAL SYSTEM
- Mfr Comm. #:
- SC340_QA
- Date Added:
- October 24, 2025
- Manufacturer:
- KIA
SummaryVOLUNTARY EMISSIONS SERVICE CAMPAIGN: QUESTION AND ANSWER (SC340) - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Voluntary Emissions Service Campaign SC340.
Associated Products (16)Associated Documents - October 23, 2025•Document ID: 11024467EmissionsENGINE; ELECTRICAL SYSTEM
- Mfr Comm. #:
- SC340_POC
- Date Added:
- October 24, 2025
- Manufacturer:
- KIA
SummaryVOLUNTARY EMISSIONS SERVICE CAMPAIGN: SC340_POC: PROOF OF CORRECTION CARD
Associated Products (17)Associated Documents - October 23, 2025•Document ID: 11024462EmissionsELECTRICAL SYSTEM; ENGINE
- Mfr Comm. #:
- SC340_DPSM
- Date Added:
- October 24, 2025
- Manufacturer:
- KIA
SummaryVOLUNTARY EMISSIONS SERVICE CAMPAIGN: DEALER PARTS AND SERVICE MANAGER MEMO (SC340) - This document is the announcement to the dealer Parts and Service managers advising that Kia is conducting a Voluntary Emissions Service Campaign to improve the emissions software logic in the Electronic Control Module (ECM) to ensure compliance with emissions regulations in certain 2017-2022 MY Sportage vehicles manufactured from December 10, 2015, through December 7, 2021, certain 2016-2020 MY Optima vehicles manufactured from August 28, 2015, through June 23, 2020, and certain 2016-2020 MY Sorento vehicles manufactured from October 27, 2014, through November 4, 2020, equipped with 2.4L Theta GDI engines.
Associated Products (16)Associated Documents - October 23, 2025•Document ID: 11024445EmissionsENGINE; ELECTRICAL SYSTEM
- Mfr Comm. #:
- SC340_DP
- Date Added:
- October 24, 2025
- Manufacturer:
- KIA
SummaryVOLUNTARY EMISSIONS SERVICE CAMPAIGN: DEALER PRINCIPAL MEMO (SC340) - This document is the announcement to the dealer principals advising that Kia is conducting a Voluntary Emissions Service Campaign to improve the emissions software logic in the Electronic Control Module (ECM) to ensure compliance with emissions regulations in certain 2017-2022 MY Sportage vehicles manufactured from December 10, 2015, through December 7, 2021, certain 2016-2020 MY Optima vehicles manufactured from August 28, 2015, through June 23, 2020, and certain 2016-2020 MY Sorento vehicles manufactured from October 27, 2014, through November 4, 2020, equipped with 2.4L Theta GDI engines.
Associated Products (16)Associated Documents - October 17, 2025•Document ID: 11024484Service Bulletin/Repair InstructionsFUEL/PROPULSION SYSTEM
- Mfr Comm. #:
- TSB_FUE068
- Date Added:
- October 24, 2025
- Manufacturer:
- KIA
SummaryTECHNICAL SERVICE BULLETIN: GDI FUEL INJECTOR REPLACEMENT FOR MISFIRE DTC(S) THETA III 2.5L GDI (CA2505) - 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 cylinder misfire DTCs stored on some 2021-2023MY Kia models listed in the on the table on page 4, equipped with a naturally aspirated Theta III 2.5L GDI engine and dual fuel injection, where a low-pressure (MPI) injector and a high-pressure (GDI) injector independently supply fuel to each cylinder. A GDI fuel injector may become damaged due to exposure to fuel containing ethanol, potentially resulting in the malfunction indicator lamp (MIL) illuminating, along with no-start, misfire, and/or reduced power, while driving at highway speeds remains possible.
Associated Products (3)Associated Documents - October 8, 2025•Document ID: 11024188Warranty Program/ExtensionENGINE
- Mfr Comm. #:
- WTY039_TSB_R4
- Date Added:
- October 9, 2025
- Manufacturer:
- KIA
SummaryTECHNICAL SERVICE BULLETIN: ENGINE SUB ASSEMBLY: INSPECTION/REPLACEMENT (WTY039) - 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 associated with the ‘Warranty Extension Program’ (WTY039) to diagnose a coolant leak from the cylinder head gasket area and, if necessary, replace the engine sub assembly on 2014-2015 MY Sorento, 2014-2017 MY Cadenza, and 2015-2016 MY Sedona vehicles, equipped with 3.3L GDI engines. The warranty coverage for repairs related to the cylinder head gasket will be extended from 5 years / 60,000 miles to 15 years / 180,000 miles, whichever comes first, starting from the date the vehicle was first put into service.
Associated Products (8)Associated Documents - October 8, 2025•Document ID: 11024184Warranty Program/ExtensionENGINE
- Mfr Comm. #:
- WTY035_TSB_R3
- Date Added:
- October 9, 2025
- Manufacturer:
- KIA
SummaryTECHNICAL SERVICE BULLETIN: ENGINE SUB ASSEMBLY INSPECTION/REPLACEMENT (WTY035) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the left or right margin areas.
Associated Products (2)Associated Documents - September 15, 2025•Document ID: 11023265Service CampaignELECTRICAL SYSTEM
- Mfr Comm. #:
- SC330_OWNR_201
- Date Added:
- September 22, 2025
- Manufacturer:
- KIA
SummaryVOLUNTARY SERVICE CAMPAIGN: OWNER RENOTIFICATION (SC330) - This document is the owner renotification advising that Kia is conducting a Voluntary Service Campaign to replace the multi-function switch knob with improved parts on certain 2016-2018 MY Sorento vehicles.
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 - August 22, 2025•Document ID: 11022347OtherELECTRICAL SYSTEM
- Mfr Comm. #:
- PS791
- Date Added:
- September 2, 2025
- Manufacturer:
- KIA
SummaryPITSTOP: TECHNICAL OPERATIONS: DCU IDENTIFICATION AND DAIGNOSTIC AID - This Pitstop provides information on identifying the Data Connectivity Unit (DCU) in Kia vehicles equipped with Connected Car Navigation Cockpit (ccNC) and ccNC Lite head units, as well as a diagnostic aid when diagnosing Kia Connect concerns. When diagnosing non-operational Kia Connect concerns, under no circumstance should the DCU be swapped with a known good DCU from another vehicle. Doing so may result in inoperative Kia Connect services on either vehicle and may require the replacement of the known good DCU. If a DCU needs to be replaced, the recommendation is to always order a replacement unit (with the correct P/N) to ensure proper Kia Connect services operations using the newly installed/replaced DCU.
Associated Products (7)Associated Documents - July 16, 2025•Document ID: 11020869Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- TSB_ELE271_R3
- Date Added:
- July 23, 2025
- Manufacturer:
- KIA
SummaryTECHNICAL SERVICE BULLETIN: SERVICE ACTION: INVERTER COOLANT/DEBRIS FLUSHING /REPLACEMENT FOR CLUSTER MESSAGE “REFILL INVERTER COOLANT” (SA515) - 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 flush out the inverter low-conductivity coolant (BSC-1) on certain 2021-2022MY Sorento HEV (MQ4 HEV) vehicles produced from September 2, 2020 through September 29, 2021 and Sorento PHEV (MQ4 PHEV) vehicles produced from June 29, 2021 through October 1, 2021, which may exhibit a “Refill inverter coolant” message displayed on the instrument cluster due to poor flow of coolant/antifreeze inside the low-conductivity coolant pipe. In most cases, the inverter reservoir tank coolant may be filled to normal level and no diagnostic trouble codes (DTC)s are stored due to an increase operation of the electric water pump (EWP) that is 2,800 RPMs or more when checked.
Associated Products (2)Associated Documents - July 7, 2025•Document ID: 11020593Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- TSB_ ENG256
- Date Added:
- July 9, 2025
- Manufacturer:
- KIA
SummaryTECHNICAL SERVICE BULLETIN: CONTINUOUS VARIABLE VALVE DURATION (CVVD) ACTUATOR OIL SEAL REPLACEMENT - This bulletin provides information to replace the Continuous Variable Valve Duration (CVVD) Actuator seal on some 2021-2022MY Sorento P/HEV (MQ4 P/HEV) vehicles produced from September 02, 2020, through February 24, 2022. The affected vehicles may experience a slow oil leak coming from the CVVD actuator oil seal and potentially associated oil smell due to the oil seal material degrading over time.
Associated Products (2)Associated Documents - June 30, 2025•Document ID: 11019972Service Bulletin/Repair InstructionsFUEL/PROPULSION SYSTEM
- Mfr Comm. #:
- TSB_FUE068
- Date Added:
- July 1, 2025
- Manufacturer:
- KIA
SummaryTECHNICAL SERVICE BULLETIN: GDI FUEL INJECTOR REPLACEMENT FOR MISFIRE DTC(S) THETA III 2.5L GDI (CA2505) -This bulletin provides information regarding cylinder misfire DTCs stored on some 2021-2023MY Kia models listed in the table below equipped with a naturally aspirated Theta III 2.5L GDI engine and dual fuel injection, where a low-pressure (MPI) injector and a high-pressure (GDI) injector independently supply fuel to each cylinder. A GDI fuel injector may become damaged due to exposure to fuel containing ethanol, potentially resulting in the malfunction indicator lamp (MIL) illuminating, along with no-start, misfire, and/or reduced power, while driving at highway speeds remains possible.
Associated Products (3)Associated Documents - June 30, 2025•Document ID: 11019970Service Bulletin/Repair InstructionsFUEL/PROPULSION SYSTEM
- Mfr Comm. #:
- TSB_FUE066_CLSD
- Date Added:
- July 1, 2025
- Manufacturer:
- KIA
SummaryTECHNICAL SERVICE BULLETIN: GDI FUEL INJECTOR REPLACEMENT FOR MISFIRE DTC(S) - CLOSED AND SUPERSEDED BY FUE068/CA2505 - This bulletin is now closed. This bulletin provides information regarding cylinder misfire DTCs stored on some 2021-2023MY Kia models listed in the table below equipped with a naturally aspirated Theta III 2.5L GDI engine and dual fuel injection, where a low-pressure (MPI) injector and a high-pressure (GDI) injector independently supply fuel to each cylinder. A GDI fuel injector may become damaged due to exposure to fuel containing ethanol, potentially resulting in the malfunction indicator lamp (MIL) illuminating, along with no-start, misfire, and/or reduced power, while driving at highway speeds remains possible.
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 - May 3, 2025•Document ID: 11018158Service CampaignELECTRICAL SYSTEM; SEATS
- Mfr Comm. #:
- SC339_OWNR
- Date Added:
- May 8, 2025
- Manufacturer:
- KIA
SummaryVOLUNTARY 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.
Associated Products (2)Associated Documents - April 30, 2025•Document ID: 11017411Service Bulletin/Repair InstructionsSEATS
- Mfr Comm. #:
- SC339_TSB
- Date Added:
- May 1, 2025
- Manufacturer:
- KIA
SummaryTECHNICAL 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.
Associated Products (2)Associated Documents - April 30, 2025•Document ID: 11017372Service CampaignSEATS
- Mfr Comm. #:
- SC339_QA
- Date Added:
- April 30, 2025
- Manufacturer:
- KIA
SummaryVOLUNTARY 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.
Associated Products (2)Associated Documents