Kia Optima Service Bulletins (2019)
153 manufacturer communications on file.
- November 27, 2025•Document ID: 11025897EmissionsENGINE
- Mfr Comm. #:
- SC340_OWNR_JF101
- Date Added:
- December 2, 2025
- Manufacturer:
- KIA
SummaryVOLUNTARY EMISSIONS SERVICE CAMPAIGN: OWNER NOTIFICATION (SC340 FLIGHT 101 / JF) - 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 Optima vehicles equipped with 2.4L Gas Direct Injection (GDI) engines to ensure compliance with emissions regulations.
Associated Products (5)Associated Documents - November 21, 2025•Document ID: 11025892Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- SC340_TSB_R2
- Date Added:
- December 2, 2025
- Manufacturer:
- KIA
SummaryTECHNICAL 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 with 2.4L Theta II engines listed in the table below. Kia has become aware that certain 2016-2022MY vehicles equipped with 2.4L Theta II engines may have engine calibrations that were not optimized for emissions standards under certain specific conditions. These calibrations may cause the vehicle to release air pollutants which exceed Federal and California standards. These standards were established to protect your health and welfare from the dangers of air pollution.
Associated Products (14)Associated Documents - November 7, 2025•Document ID: 11025898EmissionsENGINE
- Mfr Comm. #:
- SC340_OWNR_JF102
- Date Added:
- December 2, 2025
- Manufacturer:
- KIA
SummaryVOLUNTARY EMISSIONS SERVICE CAMPAIGN: OWNER NOTIFICATION (SC340 FLIGHT 102 / JF) - 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 Optima vehicles equipped with 2.4L Gas Direct Injection (GDI) engines to ensure compliance with emissions regulations.
Associated Products (5)Associated Documents - November 7, 2025•Document ID: 11025859Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- SC340_TSB_R1
- Date Added:
- December 1, 2025
- Manufacturer:
- KIA
SummaryTECHNICAL 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 2.4L Theta II engines listed in the table below. Kia has become aware that certain 2016-2022MY vehicles equipped with 2.4L Theta II engines may have engine calibrations that were not optimized for emissions standards under certain specific conditions. These calibrations may cause the vehicle to release air pollutants which exceed Federal and California standards. These standards were established to protect your health and welfare from the dangers of air pollution.
Associated Products (17)Associated Documents - November 5, 2025•Document ID: 11025889Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- SC340_TSB
- Date Added:
- December 2, 2025
- Manufacturer:
- KIA
SummaryTECHNICAL 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. Kia has become aware that certain 2016-2022MY vehicles equipped with 2.4L Theta II engines may have engine calibrations that were not optimized for emissions standards under certain specific conditions. These calibrations may cause the vehicle to release air pollutants which exceed Federal and California standards. These standards were established to protect your health and welfare from the dangers of air pollution.
Associated Products (17)Associated Documents - 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 - September 5, 2025•Document ID: 11023108Service Bulletin/Repair InstructionsAIR BAGS
- Mfr Comm. #:
- WTY036_TSB_R1
- Date Added:
- September 12, 2025
- Manufacturer:
- KIA
SummaryTECHNICAL SERVICE BULLETIN: WARRANTY EXTENSION CAMPAIGN: SIDE AIRBAG (SAB) INSPECTION AND REPLACEMENT FOR DTC(S) B1380/B1384 (WTY036) - 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’ (WTY036) to diagnose and repair certain airbag warning light 'ON' conditions on 2019-2020MY Optima (JFa) vehicles produced from May 21, 2018 through June 23, 2020. The affected vehicles may exhibit an airbag warning light 'ON' with DTC B1380 and/or B1384 due to the front seat Side Airbag (SAB) connector experiencing higher than normal resistance. The warranty coverage for repairs related to the front seat SAB due to illumination of airbag warning light has been extended to 15 years / unlimited miles, starting from the date the vehicle was first put into service.
Associated Products (2)Associated Documents - August 19, 2025•Document ID: 11021983OtherENGINE; ELECTRICAL SYSTEM
- Mfr Comm. #:
- PI2108_OWNR_401
- Date Added:
- August 20, 2025
- Manufacturer:
- KIA
SummaryPRODUCT IMPROVEMENT CAMPAIGN: OWNER RENOTIFICATION (PI2108) - This document is the owner renotification advising that Kia is conducting a Product Improvement Campaign to perform a software update on 2019-2020 MY Kia Optima HEV & PHEV vehicles 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 developed computer software for the Engine Control Unit (“ECU”).
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 - April 3, 2025•Document ID: 11017109Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- TSB_ENG222_R8
- Date Added:
- April 18, 2025
- Manufacturer:
- KIA
SummaryTECHNICAL 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 exhibit a symptom of excessive oil consumption.
Associated Products (74)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 28, 2025•Document ID: 11014912Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- TSB_ENG222_R7
- Date Added:
- March 4, 2025
- Manufacturer:
- KIA
SummaryTECHNICAL 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 symptom of excessive oil consumption.
Associated Products (74)Associated Documents - December 16, 2024•Document ID: 11011943OtherENGINE
- Mfr Comm. #:
- PI2108_OWNR_301
- Date Added:
- December 18, 2024
- Manufacturer:
- KIA
SummaryPRODUCT IMPROVEMENT CAMPAIGN: OWNER RENOTIFICATION (PI2108) - This document is the owner renotification advising that Kia conducting an important Product Improvement Campaign to perform a software update on n 2019-2020 MY Kia Optima HEV & PHEV vehicles to protect the engine from excessive connecting rod bearing damage.
Associated Products (2)Associated Documents - November 8, 2024•Document ID: 11010517Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- PI2108YZ_TSB_R1
- Date Added:
- November 14, 2024
- Manufacturer:
- KIA
SummaryTECHNICAL SERVICE BULLETIN: PRODUCT IMPROVEMENT CAMPAIGN: SUBSEQUENT REPAIR ACTION: ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI2108Y/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 in (PI2108) titled “Knock Sensor Detection System - ECU Logic Improvement” for certain 2019-2020MY Optima P/HEV (JF P/HEV) vehicles equipped with Nu 2.0L GDI engine, produced from July 6, 2018 through October 28, 2019. Specifically, this bulletin provides instructions on which procedures to follow if, after installation of the KSDS, any one of the subject vehicles below return to the dealer with Diagnostic Trouble Code (DTC) P1326 (Knock Signal Range/Performance).
Associated Products (2)Associated Documents - October 22, 2024•Document ID: 11009492Service Bulletin/Repair InstructionsVISIBILITY/WIPER
- Mfr Comm. #:
- TSB_CLI057
- Date Added:
- October 30, 2024
- Manufacturer:
- KIA
SummaryTECHNICAL SERVICE BULLETIN: HEATING, VENTILATION, AND AIR CONDITIONING (HVAC) BLOWER MOTOR FUSE RELOCATION - This bulletin provides the procedure to relocate the Heating, Ventilation, and Air Conditioning (HVAC) blower motor 40-ampere fuse on some 2016-2020MY Optima (JFa) vehicles produced from August 28, 2015 through June 23, 2020 which may experience an inoperative blower motor due to a blown multi-fuse at position #3. The HVAC system provides cooling and heating to help maintain a comfortable environment inside the vehicle cabin. The blower motor provides primary airflow for the HVAC system. Extended use of the HVAC system at high fan speeds may cause damage to the multi-fuse terminals for the HVAC blower motor circuit, which can cause the blower motor to become inoperative, resulting in reduced heat and air conditioning.
Associated Products (5)Associated Documents - June 5, 2024•Document ID: 11001594Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- CS2303_TSB_R4
- Date Added:
- June 13, 2024
- Manufacturer:
- KIA
SummaryTECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: ANTI-THEFT S/W LOGIC UPGRADE & DECAL INSTALLATION (CS2303) - 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 upgrade the software logic of the Integrated Body Control Unit (IBU) or Body Control Module (BCM) system on certain 2011-2015MY Optima (TF), 2012-2015MY Optima (QF) and 2016-2020MY Optima (JF, JFa) vehicles produced within the dates outlined on page 10, which may not be equipped with an immobilizer. This logic upgrade will add anti-theft ignition start logic to the vehicle's system operation which activates when the vehicle is locked with the use of the key fob.
Associated Products (10)Associated Documents