2015 Kia Optima Technical Service Bulletins

200 technical service bulletins (TSBs) are on record for the 2015 Kia Optima. 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.

• 10177740Jul 28, 2020Engine cooling. Voluntary Emissions Service Campaign (SC189) - Dealer Parts and Service Manager Memo - Kia Motors America, Inc. is conducting a Voluntary Emissions Service Campaign to install an Auxiliary Canister Kit to improve evaporative system performance on certain 2011-2015 MY Kia Optima vehicles equipped with the 2.4-liter engine manufactured from August 12, 2010 through July 23, 2015.
• 10177739Jul 28, 2020Engine cooling. Voluntary Emissions Service Campaign (SC189) - Dealer Principal Memo - Kia Motors America, Inc. is conducting a Voluntary Emissions Service Campaign to install an Auxiliary Canister Kit to improve evaporative system performance on certain 2011-2015 MY Kia Optima vehicles equipped with the 2.4-liter engine manufactured from August 12, 2010 through July 23, 2015.
• 10177751Jul 27, 2020Engine cooling. TECHNICAL SERVICE BULLETIN: MAINTENANCE REMINDER FEATURE - This bulletin provides information on setting the "Service Interval Reminder" feature available on most Kia vehicles. If the service interval reminder is set, the customer will be informed to have the next maintenance service performed, which can positively affect vehicle longevity and performance.
• 10177731Jul 1, 2020Engine cooling. PRODUCT IMPROVEMENT CAMPAIGN - ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1802Y/Z_Rev3) - 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 10, 03/16/2020) titled "Knock Sensor Detection System - ECU Logic Improvement".
• 10177730Jun 9, 2020Engine cooling. PRODUCT IMPROVEMENT CAMPAIGN - ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1802Y/Z_Rev2) - 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 10, 03/16/2020) titled "Knock Sensor Detection System - ECU Logic Improvement".
• 10176911Jun 4, 2020Electrical system, Equipment, Engine cooling. TSB: PRODUCT IMPROVEMENT CAMPAIGN : KNOCK SENSOR DETECTION SYSTEM (KSDS) LOGIC IMPROVEMENT (PI1802_R11) - 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.
• 10174518Apr 30, 2020Engine cooling. Technical service bulletin: service action: wiring signal interference check & engine noise inspection (sa379) - closed - superseded by pi1802yz/1803yz.
• 10174693Apr 24, 2020Steering. TECHNICAL SERVICE BULLETIN: STEERING GEAR YOKE PLUG AND ASSEMBLY REPLACEMENT - This bulletin has been revised to include additional information. This bulletin provides the procedure to replace the steering gear box yoke plug and assembly on some models listed below, which may exhibit a ticking noise while turning the steering wheel with the vehicle stopped. This condition is caused by a worn lining on the steering…
• 10174520Apr 24, 2020Transmission and drivetrain. TECHNICAL SERVICE BULLETIN: - TRANSMISSION FLUID APPLICATION GUIDE - This bulletin has been revised to include additional information. 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, refer to applicable vehicles on page 2. Refer to the shop manual on KGIS for the specific…
• 10174429Apr 9, 2020Engine cooling. PRODUCT IMPROVEMENT CAMPAIGN: ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1802Y/Z) - 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 10, 03/16/2020) titled "Knock Sensor Detection System - ECU Logic Improvement".
• 10174388Apr 2, 2020Engine cooling. Product improvement campaign: tsb_r7 - engine replacement instructions for dtc p1326 (pi1802w/x) - closed - superseded by pi1802y/z.
• 10173256Mar 17, 2020Engine cooling. PRODUCT IMPROVEMENT CAMPAIGN: TSB - ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1802Y/Z) - 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 10, 03/16/2020) titled Knock Sensor Detection System - ECU Logic Improvement.
• 10173255Mar 16, 2020Engine cooling. PRODUCT IMPROVEMENT CAMPAIGN: TSB - REV 10 - 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.
• 10172149Feb 14, 2020Electrical system, Engine cooling. TSB - PRODUCT IMPROVEMENT CAMPAIGN - KNOCK SENSOR DETECTION SYSTEM - ECU LOGIC IMPROVEMENT (PI1802) Rev.9 - 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.
• 10170778Jan 21, 2020Exterior lighting. TECHNICAL SERVICE BULLETIN: HALOGEN HEAD LAMP LOW BEAM BULB CONNECTOR REPLACEMENT - This bulletin provides information regarding the procedure to repair the bulb connector on some 2010MY~ vehicles listed on the table below, which may exhibit a bulb connector concern. To correct this concern, replace the connector with a new and improved part.
• 10170766Jan 15, 2020Engine cooling, Electrical system, Equipment. 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 6, 01/31/2019) titled "Knock Sensor Detection System - ECU Logic Improvement".
• 10170773Jan 10, 2020Steering. TECHNICAL SERVICE BULLETIN: STEERING GEAR YOKE PLUG AND ASSEMBLY REPLACEMENT - This bulletin has been revised to include additional information. This bulletin provides the procedure to replace the steering gear box yoke plug and assembly on some models listed below, which may exhibit a ticking noise while turning the steering wheel with the vehicle stopped. This condition is caused by a worn lining on the steering…
• 10169797Dec 12, 2019Engine cooling. Owner Letter - PRODUCT IMPROVEMENT CAMPAIGN (PI1802) **THIRD NOTICE** - Dear Kia Optima Owner: Kia Motors America, Inc. is conducting an important Product Improvement Campaign to perform a software update on some 2014 MY Optima vehicles equipped with 2.4L Gasoline Direct Injection ("GDI") engines, and all 2015-2018 MY Optima vehicles equipped with 2.4L GDI and 2.0L Turbocharged GDI ("T-GDI") engines to protect the…
• 10168850Nov 26, 2019Equipment, Steering, Engine cooling. TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR OF C-MDPS MOTOR, ECU AND/OR STEERING COLUMN HOUSING - 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, Electronic Control Unit (ECU) or Steering Column Housing on some 2010MY~ Kia models listed on page 5 equipped with a Column Motor Driven Power…
• 10168948Nov 7, 2019Engine cooling. TECHNICAL SERVICE BULLETIN PI1802W/X (Rev 6) - PRODUCT IMPROVEMENT CAMPAIGN - ENGINE REPLACEMENT INSTRUCTIONS - 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"€.
• 10168840Nov 7, 2019Electrical system, Engine cooling. TSB - 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.
• 10167301Oct 15, 2019Steering. TECHNICAL SERVICE BULLETIN TSB084_R3: PARTIAL REPAIR OF C-MDPS MOTOR, ECU AND/OR STEERING COLUMN HOUSING - 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, Electronic Control Unit (ECU) or Steering Column Housing on some 2010MY~ Kia models listed on page 5 equipped with a Column Motor…
• 10165611Sep 30, 2019Electrical system, Engine cooling. PRODUCT IMPROVEMENT CAMPAIGN - KNOCK SENSOR DETECTION SYSTEM - ECU LOGIC IMPROVEMENT (PI1802) - 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. The KSDS detects vibrations indicating the onset of excessive connecting rod bearing wear.
• 10162044Jun 21, 2019Steering. TSB: REPLACEMENT OF C-MDPS MOTOR, ECU AND/OR STEERING COLUMN HOUSING - 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, Electronic Control Unit (ECU) or Steering Column Housing on the Kia models listed on the chart below with a column mounted C-MDPS unit.
• 10162055Jun 3, 2019Engine cooling. PI1802_OWNR2_OPT: Kia Motors America, Inc. is conducting an important Product Improvement Campaign to perform a software update on some 2014 MY Optima vehicles equipped with 2.4L Gasoline Direct Injection ("œGDI") engines, and all 2015-2018 MY Optima vehicles equipped with 2.4L GDI and 2.0L Turbocharged GDI ("œT-GDI") engines to protect the engine from excessive connecting rod bearing damage.
• 10159249Apr 10, 2019Engine cooling, Electrical system. 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…
• 10159231Apr 10, 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…
• 10159248Apr 5, 2019Engine cooling, Electrical system. 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, 2019Engine cooling, Electrical system. 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…
• 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?.
• 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?.
• 10152908Jan 25, 2019Engine cooling. RECENT KIA MEDIA REPORTS, January 25, 2019 Update - Dear Kia Retailer, At Kia, safety is a top priority and we wrote to you last August and again last October to provide you with updates regarding news reports about non-collision fires in Kia vehicles and the status of Kia?s cooperative work with NHTSA.
• 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…
• 10152911Jan 9, 2019Visibility (wipers, defrost, mirrors). TSB: PANORAMA SUNROOF CREAK OR RATTLE NOISE - This bulletin provides the procedure to apply felt tape on the panorama sunroof crossmember on some 2012-2015MY Optima (QF) vehicles, equipped with panorama sunroof, produced from August 31, 2011 through September 22, 2015, which may experience a slight creaking or rattle noise at the sunroof area.
• 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.
• 10152903Dec 12, 2018Electrical system. PRODUCT IMPROVEMENT CAMPAIGN - This TSB 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
• 10152902Dec 4, 2018Electrical system. VEHICLE 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
• 10151903Nov 28, 2018Steering, Electrical system. TSB: STEERING GEAR YOKE PLUG AND ASSEMBLY REPLACEMENT - This bulletin provides the procedure to replace the steering gear box yoke plug and assembly on some models listed below, which may exhibit a ticking noise while turning the steering wheel with the vehicle stopped. This condition is caused by a worn lining on the steering gear box yoke assembly. Follow the procedure outlined in this bulletin to replace the…
• 10151902Nov 16, 2018Steering, Electrical system. 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.
• 10152487Nov 8, 2018Engine. PRODUCT IMPROVEMENT CAMPAIGN - ENGINE REPLACEMENT INSTRUCTIOENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1802W/X) - This bulletin provides information related to the Technical Service Bulletin previously published in July 2018 (PI1802, Rev 2, 09/24/2018) titled ?Knock Sensor Detection System - ECU Logic Improvement?.
• 10147423Oct 18, 2018Engine cooling. PRODUCT IMPROVEMENT CAMPAIGN (PI1802) - 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 2, 09/24/2018) titled ?Knock Sensor Detection System - ECU Logic Improvement?.
• 10145156Sep 24, 2018Transmission and drivetrain, Electrical system, Engine, Equipment. PRODUCT IMPROVEMENT CAMPAIGN (PI1802) - TSB - KNOCK SENSOR DETECTION SYSTEM - ECU LOGIC IMPROVEMENT (PI1802) - 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.
• 10145159Sep 20, 2018Engine, Electrical system. PRODUCT IMPROVEMENT CAMPAIGN (PI1802A1) UPDATE - OWNER LETTER - Dear Kia Optima Owner: As we previously notified you, Kia Motors America, Inc.
• 10145158Sep 20, 2018Engine, Electrical system. PRODUCT IMPROVEMENT CAMPAIGN (PI1802A1) UPDATE - DEALER SERVICE MANAGER LETTER - As announced in July 2018, Kia Motors America, Inc. has been conducting a Product Improvement Campaign (PI1802) to perform a software update to protect the engine from excessive connecting rod bearing damage by utilizing a Knock Sensor Detection System (?KSDS?) on certain Kia vehicles.
• 10145163Sep 10, 2018Equipment. EMISSIONS SERVICE CAMPAIGN (SC152) - OWNER LETTER - Dear Kia Optima Hybrid Owner: Kia Motors America, Inc. is conducting a Voluntary Emissions Service Campaign to replace the Vehicle Emission Control Information (VECI) Label on all 2015, 2016, and some 2017 MY Optima Hybrid vehicles.
• 10145164Sep 6, 2018Equipment. Questions and answers - sc152 ? Vehicle emission control (veci) label replacement voluntary emissions service campaign
• 10145161Sep 6, 2018Equipment, Engine cooling. EMISSIONS SERVICE CAMPAIGN (SC152) - DEALER PARTS AND SERVICE MANAGER LETTER - Kia Motors America, Inc. is conducting a Voluntary Emissions Service Campaign to replace the Vehicle Emission Control Information (VECI) Label on all 2015, 2016, and some 2017 MY Optima Hybrid vehicles produced from July 24, 2014 through June 12, 2017, and on some 2018 MY Stinger rear-wheel drive (RWD) and all-wheel drive (AWD) vehicles…
• 10145160Sep 6, 2018Engine cooling, Equipment. EMISSIONS SERVICE CAMPAIGN (SC152) - DEALER PRINCIPAL LETTER - Kia Motors America, Inc. is conducting a Voluntary Emissions Service Campaign to replace the Vehicle Emission Control Information (VECI) Label on all 2015, 2016, and some 2017 MY Optima Hybrid vehicles produced from July 24, 2014 through June 12, 2017, and on some 2018 MY Stinger rear-wheel drive (RWD) and all-wheel drive (AWD) vehicles equipped with…

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