2018 Kia Sorento Technical Service Bulletins

196 technical service bulletins (TSBs) are on record for the 2018 Kia Sorento. 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.

• 11037563Sep 25, 2026Exterior lighting, Electrical system. VOLUNTARY SERVICE CAMPAIGN: OWNER RENOTIFICATION (SC330 Flight 301) - 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.
• 11033996Jun 16, 2026Exterior lighting, Electrical system, Visibility (wipers, defrost, mirrors). TECHNICAL SERVICE BULLETIN: WARRANTY EXTENSION CAMPAIGN: MULTIFUNCTION SWITCH REPAIR (WTY031) - 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.
• 11034003Jun 8, 2026Body and structure. TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: THEFT DETERRENT IGNITION CYLINDER PROTECTOR AND DECAL INSTALLATION (CS2312) - 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.
• 11031854Apr 4, 2026Engine. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: THETA II 2.4L GDI EMISSIONS: ECM LOGIC IMPROVEMENT (SC340 REVISION 5) - 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.
• 11030382Mar 18, 2026Engine. TECHNICAL SERVICE BULLETIN: WARRANTY EXTENSION CAMPAIGN: OIL PRESSURE SWITCH (OPS) REPLACEMENT (WTY026 REVISION 2) - 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.
• 11029979Mar 6, 2026Electrical system, Engine. TECHNICAL SERVICE BULLETIN: VOLUNTARY EMISSIONS SERVICE CAMPAIGN: THETA II 2.4L GDI EMISSION SECM LOGIC IMPROVEMENT (SC340 REV 4) - 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 upgrade the Electronic Control Module ‘ECM’ system software for certain 2016-2022MY vehicles…
• 11028908Feb 19, 2026Body and structure. TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: THEFT DETERRENT IGNITION CYLINDER PROTECTOR AND DECAL INSTALLATION (CS2312) - 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.
• 11026900Dec 19, 2025Engine. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: OWNER NOTIFICATION (SC340 FLIGHT 103 / UM) - This document is the owner notification advising that Kia is conducting a Voluntary Emissions Service Campaign to improve the emissions software logic in the Electronic Control Module (ECM) for certain 2016-2020 MY Sorento vehicles equipped with 2.4L Gas Direct Injection (GDI) engines to ensure compliance with emissions regulations.
• 11026825Dec 18, 2025Body and structure. TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: THEFT DETERRENT IGNITION CYLINDER PROTECTOR AND DECAL INSTALLATION (CS2312) - This bulletin provides information to install a Theft Deterrent Ignition Cylinder Protector on certain 2010-2022MY Kia vehicles outlined on page 19, which may not have been equipped with an immobilizer and whose Integrated Body Control Unit (IBU) / Body Control Module (BCM) did receive…
• 11026980Dec 17, 2025Body and structure. CUSTOMER SATISFACTION CAMPAIGN: OWNER NOTIFICATION (CS2312) - This document is the owner notification advising that Kia is conducting Customer Satisfaction Campaign. A software upgrade that addresses the social media theft method has been made available to owners of eligible Kia model vehicles free of charge at authorized Kia dealers since 2023.
• 11026533Dec 10, 2025Engine. TECHNICAL SERVICE BULLETIN: VOLUNTARY EMISSIONS SERVICE CAMPAIGN: THETA II 2.4L GDI EMISSIONS ECM LOGIC IMPROVEMENT (SC340) - 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 upgrade the Electronic Control Module ‘ECM’ system software for certain 2016-2022MY vehicles equipped…
• 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.
• 11025894Nov 27, 2025Engine. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: OWNER NOTIFICATION (SC340 FLIGHT 101 / UM) - This document is the owner notification advising that Kia is conducting a Voluntary Emissions Service Campaign to improve the emissions software logic in the Electronic Control Module (ECM) for certain 2016-2020 MY Sorento vehicles equipped with 2.4L Gas Direct Injection (GDI) engines to ensure compliance with emissions regulations.
• 11025892Nov 21, 2025Engine. TECHNICAL SERVICE BULLETIN: VOLUNTARY EMISSIONS SERVICE CAMPAIGN: THETA II 2.4L GDI EMISSIONS ECM LOGIC IMPROVEMENT (SC340) - 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 upgrade the Electronic Control Module ‘ECM’ system software for certain 2016-2022MY vehicles equipped…
• 11025859Nov 7, 2025Engine. TECHNICAL SERVICE BULLETIN: VOLUNTARY SERVICE CAMPAIGN: THETA II 2.4L GDI EMISSIONS ECM LOGIC IMPROVEMENT (SC340) - 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 upgrade the Electronic Control Module ‘ECM’ system software for certain 2016-2022MY vehicles equipped with…
• 11025889Nov 5, 2025Engine. TECHNICAL SERVICE BULLETIN: VOLUNTARY EMISSIONS SERVICE CAMPAIGN: THETA II 2.4L GDI EMISSIONS ECM LOGIC IMPROVEMENT (SC340) - This bulletin provides information to upgrade the Electronic Control Module ‘ECM’ system software for certain 2016-2022MY vehicles equipped with 2.4L Theta II engines listed in the table below.
• 11024469Oct 23, 2025Engine, Electrical system. Sc340_stkr: voluntary emissions service campaign completion label/sticker
• 11024468Oct 23, 2025Engine, Electrical system. VOLUNTARY 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.
• 11024467Oct 23, 2025Engine, Electrical system. Voluntary emissions service campaign: sc340_poc: proof of correction card
• 11024462Oct 23, 2025Electrical system, Engine. VOLUNTARY 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…
• 11024445Oct 23, 2025Engine, Electrical system. VOLUNTARY 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…
• 11023265Sep 15, 2025Electrical system. VOLUNTARY 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.
• 11017172Apr 17, 2025Transmission and drivetrain. 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…
• 11017109Apr 3, 2025Engine. TECHNICAL SERVICE BULLETIN: EXCESSIVE OIL CONSUMPTION NU/GAMMA/THETA/KAPPA ENGINES - 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 on diagnosing and/or repairing some 2011-2024MY vehicles (refer to the table on pages 9 and 10 for applicable models and engine), which may…
• 11014912Feb 28, 2025Engine. TECHNICAL SERVICE BULLETIN: EXCESSIVE OIL CONSUMPTION NU/GAMMA/THETA/KAPPA ENGINES - 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 on diagnosing and/or repairing some 2011-2024MY vehicles (refer to the tables on pages 8-9 for applicable models and engine), which may exhibit a…
• 11013247Feb 1, 2025Electrical system, Exterior lighting. VOLUNTARY SERVICE CAMPAIGN: OWNER NOTIFICATION (SC330) - This document is the owner notification advising that Kia conducting a Voluntary Service Campaign to replace the multi-function switch knob with improved parts on certain 2016-2018 MY Sorento vehicles, manufactured from October 27, 2014 through March 7, 2018.
• 11013360Jan 30, 2025Electrical system, Exterior lighting. TECHNICAL SERVICE BULLETIN: VOLUNTARY SERVICE CAMPAIGN: MULTI-FUNCTION SWITCH REPAIR (SC330) - This bulletin provides information to repair the multi-function switch knob on certain 2016-2018MY Sorento (UMa) vehicles manufactured from October 27, 2014 through March 7, 2018. The contact points in the multi-function switch in the subject vehicles may become worn over time, which may result in intermittent headlamp…
• 11013248Jan 30, 2025Exterior lighting, Electrical system. VOLUNTARY SERVICE CAMPAIGN: QUESTION AND ANSWER (SC330) - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Voluntary Service Campaign SC330.
• 11013246Jan 30, 2025Exterior lighting, Electrical system. VOLUNTARY SERVICE CAMPAIGN: DEALER PARTS AND SERVICE MANAGER MEMO (SC330) - This document is the announcement to the dealer Parts and Service managers 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, manufactured from October 27, 2014 through March 7, 2018.
• 11013245Jan 30, 2025Electrical system, Exterior lighting. VOLUNTARY SERVICE CAMPAIGN: DEALER PRINCIPAL MEMO (SC330) - This document is the announcement to the dealer principals 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, manufactured from October 27, 2014 through March 7, 2018.
• 11010703Nov 9, 2024Exterior lighting, Electrical system. WARRANTY EXTENSION CAMPAIGN: OWNER RENOTIFICATION (WTY031) - This document is the owner renotification advising that Kia is extending the New Vehicle Limited Warranty coverage, to all owners, for the multi-function switch assembly on 2018 MY Sorento vehicles from 5 years / 60,000 miles to 15 years / 150,000 miles, whichever comes first, starting from the date the vehicle was first put into service.
• 11001595Jun 6, 2024Electrical system. TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: ANTI-THEFT S/W LOGIC UPGRADE & DECAL INSTALLATION (CS2304) - 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.
• 11000787May 16, 2024Transmission and drivetrain. 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.
• 10252085Mar 22, 2024Electrical system, Engine cooling. TECHNICAL SERVICE BULLETIN: PRODUCT IMPROVEMENT CAMPAIGN: ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1802Y/Z) - 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 the Technical Service Bulletin previously published PI1802 titled "Knock Sensor Detection System…
• 10248078Dec 18, 2023Exterior lighting, Electrical system. TECHNICAL SERVICE BULLETIN: MULTIFUNCTION SWITCH REPAIR - 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.
• 10244788Oct 30, 2023Exterior lighting, Electrical system. WARRANTY EXTENSION: OWNER RE-NOTIFICATION - This document is the owner re-notification advising that Kia is extending the New Vehicle Limited Warranty coverage, to all owners, for the multi-function switch assembly on 2018 MY Sorento vehicles from 5 years / 60,000 miles to 15 years / 150,000 miles, whichever comes first, starting from the date the vehicle was first put into service.
• 10243924Oct 6, 2023Equipment, Electrical system. TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: ANTI-THEFT S/W LOGIC UPGRADE & DECAL INSTALLATION (CS2304) - 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.
• 10242913Sep 25, 2023Transmission and drivetrain, Suspension, Steering. PITSTOP: AWD SYSTEM CONCERN DUE TO TIRE CIRCUMFERENCE - This Pitstop provides information regarding potential concerns with the All-Wheel-Drive (AWD) system due to tire sizes of differing circumference. Some customers may complain of a chatter sensation felt in the drivetrain of the vehicle and/or the failure of drivetrain component(s). A difference in tire size (width, aspect ratio, construction, rim diameter…
• 10240563Aug 7, 2023Electrical system. TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: KIA GENUINE REMOTE START CONTROL MODULE UPGRADE FOR ANTI-THEFT LOGIC COMPATIBILITY (CS2310) - 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 logic in the Kia Genuine Remote Start Control Module on…
• 10240558Aug 7, 2023Electrical system. TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: ANTI-THEFT S/W LOGIC UPGRADE & DECAL INSTALLATION (CS2304) - 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.
• 10240267Jul 31, 2023Electrical system. CUSTOMER SATISFACTION CAMPAIGN: OWNER RE-NOTIFICATION - This document is the owner re-notification advising that Kia has developed a software upgrade that can be installed on the vehicle to restrict the operation of the vehicle's ignition system should a locked vehicle be the subject of a break-in and theft attempt without the key. This software upgrade will be available to the customer free of charge for eighteen…
• 10240320Jul 13, 2023Fuel system. TECHNICAL SERVICE BULLETIN: FUEL PUMP INSPECTION AND UPPER FUEL PUMP MODULE REPLACEMENT - This bulletin provides information associated with the 'Fuel Pump Warranty Extension Program' (WTY033) to inspect the low-pressure fuel pump on 2018-2019MY Sorento (UMa) vehicles produced from March 31, 2017 through July 24, 2019.
• 10239714Jul 13, 2023Electrical system. TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: ANTI-THEFT S/W LOGIC UPGRADE & DECAL INSTALLATION (CS2304) - 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.
• 10239108Jul 6, 2023Electrical system. TECHNICAL SERVICE BULLETIN CUSTOMER SATISFACTION: KIA GENUINE REMOTE START CONTROL MODULE UPGRADE FOR ANTI-THEFT LOGIC COMPATIBILITY (CS2310) - This bulletin provides information to update the software logic in the Kia Genuine Remote Start Control Module on certain 2012-2022MY model vehicles listed on page 6.
• 10238490Jun 30, 2023Fuel system. WARRANTY EXTENSION: OWNER NOTIFICATION - This document is the announcement to the vehicle owners that Kia is extending the New Vehicle Limited Warranty coverage, to all owners, for the low-pressure fuel pump on 2018-2019 MY Sorento vehicles from 5 years / 60,000 miles to 15 years / unlimited miles, whichever comes first, starting from the date the vehicle was first put into service.
• 10238489Jun 27, 2023Fuel system. WARRANTY EXTENSION: REIMBURSEMENT FORM - 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 program launch.
• 10238488Jun 27, 2023Fuel system. WARRANTY EXTENSION: QUESTION AND ANSWER - This document is a Question and Answer Guide containing the most frequently asked questions regarding the Warranty Extension (WTY033).
• 10238487Jun 27, 2023Fuel system. WARRANTY EXTENSION: DEALER PRINCIPAL MEMO - This document is the announcement to the dealer principals that Kia is extending the New Vehicle Limited Warranty coverage, to all owners, for the low-pressure fuel pump on 2018-2019 MY Sorento vehicles from 5 years / 60,000 miles to 15 years / unlimited miles, whichever comes first, starting from the date the vehicle was first put into service.
• 10238486Jun 27, 2023Fuel system. WARRANTY EXTENSION: DEALER PRINCIPAL MEMO - This document is the announcement to the dealer principals that Kia is extending the New Vehicle Limited Warranty coverage, to all owners, for the low-pressure fuel pump on 2018-2019 MY Sorento vehicles from 5 years / 60,000 miles to 15 years / unlimited miles, whichever comes first, starting from the date the vehicle was first put into service.
• 10237138May 31, 2023Electrical system, Exterior lighting. TECHNICAL SERVICE BULLETIN: MULTIFUNCTION SWITCH REPAIR - This bulletin provides information associated with the 'Multifunction Switch Warranty Extension Program' (WTY031) to repair the multifunction switch knob on 2016-2018MY Sorento (UMa) vehicles, produced at Kia Georgia from October 27, 2014 through March 7, 2018, which may exhibit an intermittent headlamp flickering.

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