2018 Kia SorentoService bulletins
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.
- 10159248Apr 5, 2019Electrical system, Engine cooling. TSB: SERVICE ACTION: WIRING SIGNAL INTERFERENCE CHECK & ENGINE NOISE INSPECTION (SA379) - This bulletin provides information related to an expanded diagnostic test that is now required on a number of vehicles previously diagnosed with Diagnostic Trouble Code ("DTC") P1326. Using the procedures published in TSB PI1802W/X and PI1803W/X, the subject vehicles were diagnosed and determined to require an engine…
- 10159230Apr 3, 2019Electrical system, Engine cooling. TSB: ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1802W/X) - This bulletin provides information related to the Technical Service Bulletin previously published in July 2018 (PI1802, Rev 6, 01/31/2019) titled "Knock Sensor Detection System - ECU Logic Improvement". Specifically, this bulletin provides instructions on which procedures to follow if, after installation of the KSDS, any one of the subject vehicles…
- 10154663Feb 15, 2019Steering. TSB: ECU UPGRADE ? STEERING LOGIC IMPROVEMENT -This bulletin has been revised to include additional information. This bulletin provides information related to the MDPS ECU software upgrade for some 2011-2014MY Optima (QF), produced from August 2, 2010 through July 27, 2014, and 2016-2018MY Sorento (UMa) vehicles, produced from October 27, 2014 through August 22, 2017, which may experience a notchy feel in the…
- 10154661Feb 15, 2019Visibility (wipers, defrost, mirrors). PITSTOP: BLOCKED WINDSHIELD WASHER NOZZLES ON VEHICLES EQUIPPED WITH WASHER HEATERS - This Pitstop provides information regarding blocked windshield wiper nozzles on some 2016MY~ Sorento (UMa) and 2017MY~ Sportage (QL) vehicles equipped with windshield washer heaters (A). Mixing tap water (?) and concentrated windshield washer fluid can cause corrosion of the heater element due to the mineral content of tap water.
- 10154694Feb 11, 2019Engine. VEHICLE PRODUCT IMPROVEMENT: ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1802W/X)- This bulletin has been revised to include additional information This bulletin provides information related to the Technical Service Bulletin previously published in July 2018 (PI1802, Rev 6, 01/31/2019) titled ?Knock Sensor Detection System - ECU Logic Improvement?.
- 10154666Feb 4, 2019Body and structure. TSB: DRIVER?S DOOR MODULE LOGIC IMPROVEMENT - This bulletin provides the procedure to improve the logic of the Driver?s Door Module (DDM) on some 2017-2018MY Sorento (UMa) vehicles, produced from April 4, 2016 through August 23, 2017, which may experience the absence of the Auto Door Lock/Unlock option select in the instrument cluster.
- 10152918Jan 31, 2019Engine cooling. PRODUCT IMPROVEMENT CAMPAIGN:KNOCK SENSOR DETECTION SYSTEM - ECU LOGIC IMPROVEMENT (PI1802) - This bulletin has been revised to include additional information.This bulletin provides information related to a software update to the Engine Control Unit (ECU) to install the Knock Sensor Detection System (KSDS) in order to protect the engine from excessive connecting rod bearing damage.
- 10152919Jan 28, 2019Engine cooling. PRODUCT IMPROVEMENT CAMPAIGN: ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1802W/X) - This bulletin has been revised to include additional information. This bulletin provides information related to the Technical Service Bulletin previously published in July 2018 (PI1802, Rev 5, 12/20/2018) titled ?Knock Sensor Detection System - ECU Logic Improvement?.
- 10152915Jan 18, 2019Fuel system. TSB: SPECIAL SERVICE INFORMATION & SPECIFICATIONS FOR GDI HIGH PRESSURE FUEL SYSTEM - This bulletin has been revised to include additional information. This bulletin provides information relating to all Kia vehicles equipped with Gasoline Direct Injection (GDI) engines. In these engines highly pressurized gasoline is injected via a common fuel rail and injectors that deliver fuel directly into the combustion…
- 10152912Jan 18, 2019Steering. TSB: ECU UPGRADE ? STEERING LOGIC IMPROVEMENT - This bulletin has been revised to include additional information. This bulletin provides information related to the MDPS ECU software upgrade for some 2011-2014MY Optima (QF), produced from August 2, 2010 through July 27, 2014, and 2016-2018MY Sorento (UMa) vehicles, produced from October 27, 2014 through August 22, 2017, which may experience a notchy feel in the…
- 10152913Jan 4, 2019Steering. TSB: REPLACEMENT OF C-MDPS MOTOR AND/OR ECU - This bulletin has been revised to include additional information. This bulletin provides information regarding the partial repair of the Motor Driven Power Steering (MDPS) Motor and/or Electronic Control Unit (ECU) on the listed Kia models with a column mounted C-MDPS unit.
- 10152904Dec 20, 2018Electrical system. PRODUCT IMPROVEMENT CAMPAIGN - This bulletin has been revised to include additional information. This bulletin provides information related to a software update to the Engine Control Unit (ECU) to install the Knock Sensor Detection System (KSDS) in order to protect the engine from excessive connecting rod bearing damage.
- 10152895Dec 20, 2018Steering. TSB - ECU UPGRADE ? STEERING LOGIC IMPROVEMENT -This bulletin has been revised to include additional information. This bulletin provides information related to the MDPS ECU software upgrade for some 2011-2014MY Optima (QF), produced from August 2, 2010 through July 27, 2014, and 2016-2018MY Sorento (UMa) vehicles, produced from October 27, 2014 through August 22, 2017, which may experience a notchy feel in the…
- 10152906Nov 30, 2018Engine cooling. Dear Kia Sorento Owner: Kia Motors America, Inc. is conducting an important Product Improvement Campaign to perform a software update on all 2016-2018 MY Sorento vehicles equipped with 2.4L Gasoline Direct Injection (?GDI?) and 2.0L Turbocharged GDI (?T-GDI?) engines to protect the engine from excessive connecting rod bearing damage. The update will be done free of charge and will only involve the addition of newly…
- 10151902Nov 16, 2018Electrical system, Steering. TSB: REPLACEMENT OF C-MDPS MOTOR AND/OR ECU - This bulletin provides information regarding the partial repair of the Motor Driven Power Steering (MDPS) Motor and/or Electronic Control Unit (ECU) on the listed Kia models with a column mounted C-MDPS unit. Follow the procedure outlined in this bulletin.
- 10143474Jul 25, 2018Equipment, Engine, Transmission and drivetrain, Electrical system. Q & A - This document is the Q & A for the new Product Improvement Campaign to provide information regarding a software update to the Engine Control Unit (ECU) to protect the engine from excessive connecting rod bearing damage.
- 10143472Jul 16, 2018Electrical system, Engine, Transmission and drivetrain. DEALER SERVICE MANAGER NOTICE - This notice advised the dealer service manager of the new Product Improvement Campaign to perform a software update to the Engine Control Unit (ECU) to protect the engine from excessive connecting rod bearing damage.
- 10143471Jul 16, 2018Electrical system, Engine. DEALER PRINCIPAL NOTICE - This notice advised the dealer principal of the new Product Improvement Campaign to perform a software update to the Engine Control Unit (ECU) to protect the engine from excessive connecting rod bearing damage.
- 10143402Jun 12, 2018Electrical system, Engine. TSB - SERVICE ACTION: 2.4L ENGINE STAR LOGIC IMPROVEMENT (SA316C) - This bulletin has been revised to include additional information.This bulletin provides the procedure to improve the logic of the Engine Control Unit (ECU) on some 2018MY Sorento (UMa) 2.4L vehicles, produced from September 18, 2017 through December 6, 2017, which may experience a very slight surging sensation with the cruise control activated…
- 10143270Jun 12, 2018Engine cooling, Electrical system. TSB - SERVICE ACTION: 2.4L ENGINE STAR LOGIC IMPROVEMENT (SA316C) - This bulletin has been revised to include additional information.This bulletin provides the procedure to improve the logic of the Engine Control Unit (ECU) on some 2018MY Sorento (UMa) 2.4L vehicles, produced from September 18, 2017 through December 6, 2017, which may experience a very slight surging sensation with the cruise control activated…
- 10141384May 22, 2018Equipment, Electrical system. PITSTOP - CLOCK CONCERNS ON UVO eSERVICES (UVO 3.0) - This Pitstop contains information regarding possible concerns with the clock on UVO eServices (UVO 3.0) head units installed on 2017-2018MY vehicles.
- 10136500Apr 17, 2018Engine cooling. TSB - DATA COLLECTION: EXTRACT CALIFORNIA EMISSIONS DATA FROM ECU (DC18) - This bulletin has been revised to include additional information. This bulletin provides information related to extracting ?in use performance tracking? emissions data from the Engine Control Unit (ECU) of certain vehicles sold in California.
- 10136502Apr 12, 2018Engine. TSB - SERVICE ACTION: SORENTO (UMa) 3.3L - PRE-DELIVERY INSPECTION (SA345) -= This bulletin provides the procedure to inspect the engine assembly on some 2018MY Sorento (UMa) 3.3L AWD (262 vehicles affected), produced from January 29, 2018 through February 20, 2018, which may exhibit abnormal engine noise.
- 10133175Mar 29, 2018Back-over prevention (rear camera), Latches, locks and linkages. PITSTOP - RATTLE NOISE FROM REAR OF THE VEHICLE (PS551) - This Pitstop contains information regarding a rattle type noise heard from the rear of the vehicle when closing a door or trunk on some 2016MY-2018MY vehicles.
- 10133182Mar 21, 2018Engine cooling. TSB - SERVICE ACTION: 2.4L ENGINE START LOGIC IMPROVEMENT (SA316C) - This bulletin has been revised to include additional information. This bulletin provides the procedure to improve the logic of the Engine Control Unit (ECU) on some 2018MY Sorento (UMa) 2.4L vehicles, produced from September 20, 2017 through December 6, 2017, which may experience a very slight surging sensation with the cruise control activated…
- 10133181Mar 21, 2018Transmission and drivetrain. TSB - SERVICE ACTION: 2.4L SHIFT QUALITY & WAKE-UP LOGIC IMPROVEMENT (SA316B) - This bulletin has been CLOSED and superceded by TSB-ENG177C R3.
- 10133172Mar 2, 2018Steering. PITSTOP - EPS RECOGNTION / SAS CALIBRATION OF C-MDPS STEERING COLUMN ASSEMBLY - This Pitstop provides information regarding the Electronic Power Steering (EPS), Steering Angle Sensor (SAS) calibration and EPS type recognition after replacement of the Column-Mounted, Motor Driven Power Steering (C-MDPS) assembly on 2016-2018MY Sorento (UMa) vehicles.
- 10133170Mar 2, 2018Engine cooling. PITSTOP - ENGINE COMPONENT RE-USE GUIDELINES - In general, parts and components removed during engine repairs should be considered serviceable, and should be thoroughly cleaned and transferred to the new engine.
- 10130104Feb 16, 2018Transmission and drivetrain. TSB - DRIVESHAFT SERVICEABILITY - This bulletin has been revised most recently to include additional information. This bulletin provides information regarding axle shaft serviceability for Kia vehicles equipped with a six-speed automatic transmission.
- 10130094Feb 6, 2018Forward collision avoidance. PITSTOP - AEB VARIANT CODING - This Pitstop provides information regarding the correct ?Variant Coding? settings for the Autonomous Emergency Braking (AEB) on some 2017-2018MY Sorento (UMa) vehicles.
- 10130093Feb 6, 2018Lane departure, Forward collision avoidance. PITSTOP - LDWS/MFC Variant Coding - This Pitstop provides information regarding the correct ?Variant Coding? settings for the Multi-Function Camera (MFC) on some 2017-2018MY Sorento (UMa) vehicles.
- 10130092Feb 2, 2018Electrical system. PITSTOP - INOPERATIVE SHIFT LOCK RELEASE AND/OR IGNITION IN ACCESSORY MODE - This pitstop provides the procedure to inspect the Key Interlock Switch contact on some 2016-2018MY Sorento (UMa) vehicles experience one of the following:1. An inoperative shift lock release; 2. No crank; 3. Inoperative key release (on key-start equipped vehicles); 4. Ignition stuck in accessory mode accompanied by a ?Shift to Park?…
- 10128621Jan 31, 2018Transmission and drivetrain. TSB - SERVICE ACTION: 2.4L SHIFT QUALITY & WAKE-UP LOGIC IMPROVEMENT (SA316B) - This bulletin provides the procedure to improve the logic of the Electronic Control Unit (ECU) and Transmission Control Unit (TCU) on some 2018MY Optima (JFa) 2.4L, produced from April 18, 2017 through September 7, 2017, and some 2017MY Sorento (UMa) 2.4L vehicles, produced from March 31, 2017 through December 6, 2017, which may…
- 10128582Jan 31, 2018Engine. TSB - SERVICE ACTION: 2.4L ENGINE START LOGIC IMPROVEMENT (SA316C) - This bulletin provides the procedure to improve the logic of the Engine Control Unit (ECU) on some 2018MY Sorento (UMa) 2.4L vehicles, produced from March 31, 2017 through November 20, 2017, which may experience a very slight surging sensation with the cruise control activated.
- 10128583Jan 23, 2018Engine cooling. TSB - DATA COLLECTION: EXTRACT CALIFORNIA EMISSIONS DATA FROM ECU (DC18) - This bulletin provides information related to extracting ?in use performance tracking? emissions data from the Engine Control Unit (ECU) of certain vehicles sold in California.
- 10127030Dec 7, 2017Engine cooling. TSB - SERVICE ACTION: 2.4L ENGINE START LOGIC IMPROVEMENT (SA316C) REV 1 - This bulletin provides the procedure to improve the logic of the Engine Control Unit (ECU) on some 2018MY Sorento (UMa) 2.4L vehicles, produced from March 31, 2017 through November 16, 2017, which may experience a very slight surging sensation with the cruise control activated.
- 10127020Dec 1, 2017Electrical system. PITSTOP - KEY FOB AND BATTERY VIN LABELS - To assist in improving product quality and warranty claims, key fobs/smart keys and the vehicle battery now have labels (A) containing the Vehicle Identification Number (VIN). These labels have been applied beginning with October 21, 2017 production for Optima (JFa) and Sorento (UMa) from the Kia Motors Manufacturing Georgia (KMMG) plant.
- 10126428Nov 22, 2017Engine cooling, Electrical system. TSB - SERVICE ACTION: 2.4L ENGINE START LOGIC IMPROVEMENT (SA316C) - This bulletin provides the procedure to improve the logic of the Engine Control Unit (ECU) on some 2018MY Sorento (UMa) 2.4L vehicles, produced from March 31, 2017 through November 16, 2017, which may experience a very slight surging sensation with the cruise control activated.
- 10126427Nov 22, 2017Transmission and drivetrain. TSB - SERVICE ACTION: 2.4L SHIFT QUALITY & WAKE-UP LOGIC IMPROVEMENT (SA316B) - This bulletin provides the procedure to improve the logic of the Electronic Control Unit (ECU) and Transmission Control Unit (TCU) on some 2018MY Optima (JFa) 2.4L, produced from April 18, 2017 through September 7, 2017, and some 2018MY Sorento (UMa) 2.4L vehicles, produced from March 31, 2017 through October 19, 2017, which may…
- 10126431Nov 21, 2017Transmission and drivetrain. TSB - SERVICE ACTION: 2.0t & 3.3l SHIFT QUALITY LOGIC IMPROVEMENT (SA315A) - This bulletin provides the procedure to improve the logic of the Transmission Control Unit (TCU) on some 2018MY Optima (JFa) 2.0T, produced from April 19, 2017 through July 10, 2017, and some 2018MY Sorento (UMa) 2.0T and 3.3L vehicles, produced from March 23, 2017 through September 18, 2017, which may experience a shift quality concern…
- 10126430Nov 16, 2017Transmission and drivetrain. TSB - SERVICE ACTION: SHIFT QUALITY LOGIC IMPROVEMENT (SA315A) - This bulletin provides the procedure to improve the logic of the Transmission Control Unit (TCU) on some 2018MY Optima (JFa) 2.0T, produced from April 19, 2017 through July 10, 2017, and some 2018MY Sorento (UMa) 3.3L vehicles, produced from March 31, 2017 through July 25, 2017, which may experience a shift quality concern, such as a hard downshift…
- 10126429Nov 16, 2017Transmission and drivetrain. TSB - SERVICE ACTION: 2.0T & 3.3L SHIFT QUALITY LOGIC IMPROVEMENT (SA315) - CLOSED - This bulletin provides the procedure to improve the logic of the Transmission Control Unit (TCU) on some 2018MY Optima (JFa) 2.0T, produced from April 19, 2017 through July 10, 2017, and some 2018MY Sorento (UMa) 2.0T and 3.3L vehicles, produced from March 31, 2017 through July 25, 2017, which may experience a shift quality…
- 10126424Nov 15, 2017Transmission and drivetrain. TSB - SERVICE ACTION: 2.4L SHIFT QUALITY & WAKE-UP LOGIC IMPROVEMENT (SA316) - CLOSED - This bulletin provides the procedure to improve the logic of the Electronic Control Unit (ECU) and Transmission Control Unit (TCU) on some 2018MY Optima (JFa) 2.4L, produced from April 18, 2017 through September 7, 2017, and some 2018MY Sorento (UMa) 2.4L vehicles, produced from March 31, 2017 through October 19, 2017, which may…
- 10123332Oct 24, 2017Transmission and drivetrain. TSB - SERVICE ACTION: 2.0T & 3.3L SHIFT QUALITY LOGIC IMPROVEMENT (SA315) - This bulletin provides the procedure to improve the logic of the Transmission Control Unit (TCU) on some 2018MY Optima (JFa) 2.0T, produced from April 19, 2017 through July 10, 2017, and some 2018MY Sorento (UMa) 2.0T and 3.3L vehicles, produced from March 31, 2017 through July 25, 2017, which may experience a shift quality concern, such as…
- 10123330Oct 24, 2017Transmission and drivetrain. TSB - SERVICE ACTION: 2.4L SHIFT QUALITY & WAKE-UP LOGIC IMPROVEMENT (SA316) - This bulletin provides the procedure to improve the logic of the Electronic Control Unit (ECU) and Transmission Control Unit (TCU) on some 2018MY Optima (JFa) 2.4L, produced from April 18, 2017 through September 7, 2017, and some 2018MY Sorento (UMa) 2.4L vehicles, produced from March 31, 2017 through October 19, 2017, which may…
- 10123324Oct 17, 2017Equipment. TSB - SERVICE ACTION: SORENTO (UMA) HEADREST HANG TAG REPLACEMENT (SA314) - This bulletin provides the procedure to replace the front headrest hang tag on some 2018MY Sorento (UMa) vehicles, produced from March 31, 2017 through September 22, 2017, which may have the incorrect hang tag displaying information regarding ?Dual Clutch Transmission? (DCT).
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About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.