Technical Service Bulletins (TSBs) for the 2018 Optima are official communications between Kia & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.

    STEERING

    • TSB #TSB_CHA111

      Date Announced:
      OCT 06, 2021
      NHTSA ID:
      #10202227

      TECHNICAL SERVICE BULLETIN: REPLACEMENT OF MOBIS C-MDPS SMALL BEARING - This bulletin provides the procedure to replace the small bearing of the Column Motor Driven Power Steering (C-MDPS) unit on the vehicles listed below, which may ... Read More »

    • TSB #TSB_CHA084_R8

      Date Announced:
      OCT 05, 2021
      NHTSA ID:
      #10202226

      TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR OF C-MDPS MOTOR, ECU, WORM GEAR AND/OR STEERING COLUMN HOUSING - This bulletin has been revised to include additional information. Read More »

    • TSB #TSB_CHA106

      Date Announced:
      AUG 13, 2021
      NHTSA ID:
      #10200422

      TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR OF THE DUAL PINION MOTOR DRIVER POWER STEERING SYSTEM - This bulletin provides information regarding the availability of partial repair (depending on faulty components) of the Dual Pinion Motor ... Read More »

    • TSB #TSB_CHA084_R7

      Date Announced:
      MAR 25, 2021
      NHTSA ID:
      #10189545

      TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR OF C-MDPS MOTOR, ECU, WORM GEAR AND/OR STEERING COLUMN HOUSING - This bulletin has been revised to include additional information. Read More »

    • TSB #TSB_CHA084_R6

      Date Announced:
      NOV 25, 2020
      NHTSA ID:
      #10183333

      TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR OF C-MDPS MOTOR, ECU, WORM GEAR AND/OR STEERING COLUMN HOUSING - This bulletin has been revised to include additional information. Read More »

    • TSB #TSB_CHA084_R5

      Date Announced:
      NOV 04, 2020
      NHTSA ID:
      #10183332

      TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR OF C-MDPS MOTOR, ECU, WORM GEAR AND/OR STEERING COLUMN HOUSING - This bulletin has been revised to include additional information. Read More »

    • TSB #TSBCHA084_R4

      Date Announced:
      NOV 26, 2019
      NHTSA ID:
      #10168850

      TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR OF C-MDPS MOTOR, ECU AND/OR STEERING COLUMN HOUSING - This bulletin has been revised to include additional information. Read More »

    • TSB #TSBCHA084_R3

      Date Announced:
      OCT 15, 2019
      NHTSA ID:
      #10167301

      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. Read More »

    • TSB #TSBCHA084_R2

      Date Announced:
      JUN 21, 2019
      NHTSA ID:
      #10162044

      TSB: REPLACEMENT OF C-MDPS MOTOR, ECU AND/OR STEERING COLUMN HOUSING - This bulletin has been revised to include additional information. Read More »

    • TSB #TSBCHA084_R1

      Date Announced:
      JAN 04, 2019
      NHTSA ID:
      #10152913

      TSB: REPLACEMENT OF C-MDPS MOTOR AND/OR ECU - This bulletin has been revised to include additional information. Read More »

    • TSB #TSBCHA084

      Date Announced:
      NOV 16, 2018
      NHTSA ID:
      #10151902

      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 ... Read More »

    STEERING:COLUMN

    • TSB #TSBCHA084_R2

      Date Announced:
      JUN 21, 2019
      NHTSA ID:
      #10162044

      TSB: REPLACEMENT OF C-MDPS MOTOR, ECU AND/OR STEERING COLUMN HOUSING - This bulletin has been revised to include additional information. Read More »

    SERVICE BRAKES, HYDRAULIC

    • TSB #PS560

      Date Announced:
      SEP 21, 2018
      NHTSA ID:
      #10145152

      PITSTOP - INTEGRATED BRAKE ACTUATOR UNIT (IBAU) HONK NOISE - This Pitstop provides information regarding the 2017-2018MY Niro (DE P/HEV) and Optima Plug-in/Hybrid (P/HEV) vehicles, which may exhibit an intermittent ?squeaking? and/or ... Read More »

    SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER

    • TSB #PS675

      Date Announced:
      AUG 25, 2020
      NHTSA ID:
      #10179255

      PITSTOP - BRAKE CALIPER LEAK INSPECTION - This PITSTOP provides information related to a brake caliper fluid/oil substance found on some Kia vehicles, due to possible excess assembly oil applied during assembly. Read More »

    SERVICE BRAKES, HYDRAULIC:FLUID

    • TSB #TSB_CHA098_R3

      Date Announced:
      AUG 07, 2020
      NHTSA ID:
      #10179256

      TECHNICAL SERVICE BULLETIN: IBAU SYSTEM REPAIR FOR NOISE AND AIR BLEEDING - 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. Read More »

    ENGINE (PWS)

    • TSB #TSB_ENG222_R5

      Date Announced:
      JAN 06, 2022
      NHTSA ID:
      #10206642

      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. Read More »

    • TSB #VPI1802WX_TSB_R3

      Date Announced:
      FEB 11, 2019
      NHTSA ID:
      #10154694

      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 ... Read More »

    • TSB #VPI1802_QA

      Date Announced:
      JUL 25, 2018
      NHTSA ID:
      #10143474

      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. Read More »

    • TSB #VPI1802_DP

      Date Announced:
      JUL 16, 2018
      NHTSA ID:
      #10143471

      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. Read More »

    • TSB #VPI1802_DSM

      Date Announced:
      JUL 16, 2018
      NHTSA ID:
      #10143472

      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 ... Read More »

    ENGINE AND ENGINE COOLING

    • TSB #PI1802YZ_TSB_R7

      Date Announced:
      MAR 22, 2024
      NHTSA ID:
      #10252085

      TECHNICAL SERVICE BULLETIN: PRODUCT IMPROVEMENT CAMPAIGN: ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1802Y/Z) - This bulletin has been revised to include additional information. Read More »

    • TSB #TSB_ENG219_R1

      Date Announced:
      SEP 16, 2022
      NHTSA ID:
      #10220346

      TECHNICAL SERVICE BULLETIN: MAINTENANCE REMINDER FEATURE - 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. Read More »

    • TSB #TSB_SST067_R2

      Date Announced:
      SEP 13, 2022
      NHTSA ID:
      #10219692

      TECHNICAL SERVICE BULLETIN: BEARING CLEARANCE TESTER (BCT) PROCEDURES - This bulletin provides information regarding test procedure of the Bearing Clearance Tester (BCT) Special Service Tool (SST). Read More »

    • TSB #SC205_OWNR

      Date Announced:
      AUG 04, 2022
      NHTSA ID:
      #10217677

      VOLUNTARY EMISSIONS SERVICE CAMPAIGN: OWNER NOTIFICATION - This document is the owner notification advising that Kia is conducting a Voluntary Emissions Service Campaign to update the software programming on your vehicle's Engine Control ... Read More »

    • TSB #SC205_DP

      Date Announced:
      AUG 02, 2022
      NHTSA ID:
      #10217672

      VOLUNTARY EMISSIONS SERVICE CAMPAIGN: DEALER PRINCIPAL MEMO - This document is the announcement to the dealer principals that Kia is conducting a Voluntary Emissions Service Campaign on 2016-2020 MY Kia Optima vehicles equipped with the 2. Read More »

    • TSB #SC205_DPSM

      Date Announced:
      AUG 02, 2022
      NHTSA ID:
      #10217673

      VOLUNTARY EMISSIONS SERVICE CAMPAIGN: DEALER PARTS AND SERVICE MANAGER MEMO - This document is the announcement to the dealer Parts and Service Managers that Kia is conducting a Voluntary Emissions Service Campaign on 2016-2020 MY Kia ... Read More »

    • TSB #SC205_QA

      Date Announced:
      AUG 02, 2022
      NHTSA ID:
      #10217674

      VOLUNTARY EMISSIONS SERVICE CAMPAIGN: QUESTION AND ANSWER - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Voluntary Emissions Service Campaign (SC205). Read More »

    • TSB #SC205_STKR

      Date Announced:
      AUG 02, 2022
      NHTSA ID:
      #10217675

      SC205_STKR: VOLUNTARY EMISSIONS SERVICE CAMPAIGN COMPLETION STICKER Read More »

    • TSB #SC205_POC

      Date Announced:
      AUG 02, 2022
      NHTSA ID:
      #10217676

      SC205_POC: PROOF OF CORRECTION CARD Read More »

    • TSB #SC205_TSB

      Date Announced:
      AUG 02, 2022
      NHTSA ID:
      #10217678

      VOLUNTARY EMISSIONS SERVICE CAMPAIGN: THETA 2.0L T-GDI ULEV LOGIC IMPROVEMENT FOR EMISSIONS (SC205) - This bulletin provides the procedure to update the emissions-related logic of the Engine Control Unit (ECU) on some 2016-2020MY Optima ... Read More »

    • TSB #PS720

      Date Announced:
      APR 20, 2022
      NHTSA ID:
      #10210431

      PITSTOP: INJECTOR HARNESS ROUTING FOR PI1802Y/Z AND PI1803Y/Z ENGINE REPLACEMENTS - This bulletin provides information to address a no-start or hard start with poor running condition after engine replacement under PI1802Y/Z or PI1803Y/Z. Read More »

    • TSB #TSB_ENG222_R6

      Date Announced:
      MAR 01, 2022
      NHTSA ID:
      #10209438

      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. Read More »

    • TSB #PI1802YZ_TSB_R6

      Date Announced:
      DEC 23, 2021
      NHTSA ID:
      #10205865

      PRODUCT IMPROVEMENT CAMPAIGN: ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1802Y/Z) - This bulletin has been revised to include additional information. Read More »

    • TSB #TSB_ENG222_R4

      Date Announced:
      DEC 21, 2021
      NHTSA ID:
      #10205426

      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. Read More »

    • TSB #PI1802YZ_TSB_R5

      Date Announced:
      NOV 04, 2021
      NHTSA ID:
      #10203658

      PRODUCT IMPROVEMENT CAMPAIGN: ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1802Y/Z) - This bulletin has been revised to include additional information. Read More »

    • TSB #TSB_SST067_R1

      Date Announced:
      NOV 04, 2021
      NHTSA ID:
      #10203695

      This bulletin provides information regarding test procedure of the Bearing Clearance Tester (BCT) Special Service Tool (SST). Read More »

    • TSB #TSB_ENG222_R3

      Date Announced:
      SEP 01, 2021
      NHTSA ID:
      #10201158

      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. Read More »

    • TSB #TSB_ENG222_R2

      Date Announced:
      MAR 11, 2021
      NHTSA ID:
      #10189272

      TECHNICAL SERVICE BULLETIN: EXCESSIVE OIL CONSUMPTION NU/GAMMA/THETA 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. Read More »

    • TSB #TSB_ENG222_R1

      Date Announced:
      JAN 27, 2021
      NHTSA ID:
      #10186041

      TECHNICAL SERVICE BULLETIN: EXCESSIVE OIL CONSUMPTION NU/GAMMA/THETA 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. Read More »

    • TSB #TSB_CHA084_R6

      Date Announced:
      NOV 25, 2020
      NHTSA ID:
      #10183333

      TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR OF C-MDPS MOTOR, ECU, WORM GEAR AND/OR STEERING COLUMN HOUSING - This bulletin has been revised to include additional information. Read More »

    • TSB #PI1802YZ_TSB_R4

      Date Announced:
      NOV 12, 2020
      NHTSA ID:
      #10183312

      PRODUCT IMPROVEMENT CAMPAIGN: ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1802Y/Z) - This bulletin has been revised to include additional information. Read More »

    • TSB #TSB_CHA084_R5

      Date Announced:
      NOV 04, 2020
      NHTSA ID:
      #10183332

      TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR OF C-MDPS MOTOR, ECU, WORM GEAR AND/OR STEERING COLUMN HOUSING - This bulletin has been revised to include additional information. Read More »

    • TSB #PI1802_TSB_R12

      Date Announced:
      AUG 04, 2020
      NHTSA ID:
      #10179250

      PRODUCT IMPROVEMENT - TSB_PI1802_R2 - Knock Sensor Detection System - ECU Logic Improvement - This bulletin has been revised to include additional information. Read More »

    • TSB #TSB_ENG219

      Date Announced:
      JUL 27, 2020
      NHTSA ID:
      #10177751

      TECHNICAL SERVICE BULLETIN: MAINTENANCE REMINDER FEATURE - This bulletin provides information on setting the "Service Interval Reminder" feature available on most Kia vehicles. Read More »

    • TSB #PI1802YZ_TSB_R3

      Date Announced:
      JUL 01, 2020
      NHTSA ID:
      #10177731

      PRODUCT IMPROVEMENT CAMPAIGN - ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1802Y/Z_Rev3) - This bulletin has been revised to include additional information. Read More »

    • TSB #PI1802YZ_TSB_R2

      Date Announced:
      JUN 09, 2020
      NHTSA ID:
      #10177730

      PRODUCT IMPROVEMENT CAMPAIGN - ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1802Y/Z_Rev2) - This bulletin has been revised to include additional information. Read More »

    • TSB #PI1802_TSB_R11

      Date Announced:
      JUN 04, 2020
      NHTSA ID:
      #10176911

      TSB: PRODUCT IMPROVEMENT CAMPAIGN : KNOCK SENSOR DETECTION SYSTEM (KSDS) LOGIC IMPROVEMENT (PI1802_R11) - This bulletin has been revised to include additional information. Read More »

    • TSB #PS608_R1

      Date Announced:
      MAY 26, 2020
      NHTSA ID:
      #10176068

      PITSTOP: UPDATED SPARK PLUG FOR 2.0T THETA-II - This bulletin has been revised to include additional information. This Pitstop provides information regarding the updated spark plug for vehicles listed below, equipped with 2. Read More »

    • TSB #TSB_ENG205_C

      Date Announced:
      APR 30, 2020
      NHTSA ID:
      #10174518

      TECHNICAL SERVICE BULLETIN: SERVICE ACTION: WIRING SIGNAL INTERFERENCE CHECK & ENGINE NOISE INSPECTION (SA379) - CLOSED - SUPERSEDED BY PI1802YZ/1803YZ. Read More »

    • TSB #PI1802YZ_TSB_R1

      Date Announced:
      APR 09, 2020
      NHTSA ID:
      #10174429

      PRODUCT IMPROVEMENT CAMPAIGN: ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1802Y/Z) - This bulletin has been revised to include additional information. Read More »

    • TSB #PI1802WX_TSB_R7C

      Date Announced:
      APR 02, 2020
      NHTSA ID:
      #10174388

      PRODUCT IMPROVEMENT CAMPAIGN: TSB_R7 - ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1802W/X) - CLOSED - SUPERSEDED BY PI1802Y/Z. Read More »

    • TSB #PI1802_TSB_R10

      Date Announced:
      MAR 16, 2020
      NHTSA ID:
      #10173255

      PRODUCT IMPROVEMENT CAMPAIGN: TSB - REV 10 - KNOCK SENSOR DETECTION SYSTEM - ECU LOGIC IMPROVEMENT (PI1802) - This bulletin has been revised to include additional information. Read More »

    • TSB #PI1802_TSB_R9

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10172149

      TSB - PRODUCT IMPROVEMENT CAMPAIGN - KNOCK SENSOR DETECTION SYSTEM - ECU LOGIC IMPROVEMENT (PI1802) Rev. Read More »

    • TSB #PI1802WX_TSB_R7

      Date Announced:
      JAN 15, 2020
      NHTSA ID:
      #10170766

      PRODUCT IMPROVEMENT CAMPAIGN: ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1802W/X) - This bulletin has been revised to include additional information. Read More »

    • TSB #PI1802_OWN#3_OPT

      Date Announced:
      DEC 12, 2019
      NHTSA ID:
      #10169797

      Owner Letter - PRODUCT IMPROVEMENT CAMPAIGN (PI1802) **THIRD NOTICE** - Dear Kia Optima Owner: Kia Motors America, Inc. Read More »

    • TSB #TSBCHA084_R4

      Date Announced:
      NOV 26, 2019
      NHTSA ID:
      #10168850

      TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR OF C-MDPS MOTOR, ECU AND/OR STEERING COLUMN HOUSING - This bulletin has been revised to include additional information. Read More »

    • TSB #PI1802_TSB_R8

      Date Announced:
      NOV 07, 2019
      NHTSA ID:
      #10168840

      TSB - Product Improvement Campaign: KNOCK SENSOR DETECTION SYSTEM - ECU LOGIC IMPROVEMENT (PI1802) - This bulletin has been revised to include additional information. Read More »

    • TSB #PI1802WX_TSB_R6

      Date Announced:
      NOV 07, 2019
      NHTSA ID:
      #10168948

      TECHNICAL SERVICE BULLETIN PI1802W/X (Rev 6) - PRODUCT IMPROVEMENT CAMPAIGN - ENGINE REPLACEMENT INSTRUCTIONS - This bulletin has been revised to include additional information. Read More »

    • TSB #PS616

      Date Announced:
      OCT 14, 2019
      NHTSA ID:
      #10167214

      PITSTOP: LOWER ENGINE SERVICE COVER BOLT LOCATIONS - This Pitstop provides information on the correct bolt location of the lower engine service cover on 2016-2020MY Optima 2.4L and 2.0L equipped vehicles. Read More »

    • TSB #PI1802_TSB_R7

      Date Announced:
      SEP 30, 2019
      NHTSA ID:
      #10165611

      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 ... Read More »

    • TSB #TSBENG178_R3

      Date Announced:
      JUL 11, 2019
      NHTSA ID:
      #10163454

      TSB: DATA COLLECTION: EXTRACT CALIFORNIA EMISSIONS DATA FROM ECU (DC18) - This bulletin has been revised to include additional information. Read More »

    • TSB #PI1802_OWNR2_OPT

      Date Announced:
      JUN 03, 2019
      NHTSA ID:
      #10162055

      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. Read More »

    • TSB #TSBENG178_R2

      Date Announced:
      APR 16, 2019
      NHTSA ID:
      #10159245

      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 ... Read More »

    • TSB #PI1802WX_TSB_R5

      Date Announced:
      APR 10, 2019
      NHTSA ID:
      #10159231

      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 ... Read More »

    • TSB #TSBENG205_R1

      Date Announced:
      APR 10, 2019
      NHTSA ID:
      #10159249

      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 ... Read More »

    • TSB #TSBENG205

      Date Announced:
      APR 05, 2019
      NHTSA ID:
      #10159248

      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 ... Read More »

    • TSB #PI1802WX_TSB_R4

      Date Announced:
      APR 03, 2019
      NHTSA ID:
      #10159230

      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 ... Read More »

    • TSB #VPI1802_TSB_R6

      Date Announced:
      JAN 31, 2019
      NHTSA ID:
      #10152918

      PRODUCT IMPROVEMENT CAMPAIGN:KNOCK SENSOR DETECTION SYSTEM - ECU LOGIC IMPROVEMENT (PI1802) - This bulletin has been revised to include additional information. Read More »

    • TSB #VPI1802WX_TSB_R2

      Date Announced:
      JAN 28, 2019
      NHTSA ID:
      #10152919

      PRODUCT IMPROVEMENT CAMPAIGN: ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1802W/X) - This bulletin has been revised to include additional information. Read More »

    • TSB #VPI1802_OWNER_OP

      Date Announced:
      NOV 30, 2018
      NHTSA ID:
      #10152905

      Dear Kia Optima Owner: Kia Motors America, Inc. is conducting an important Product Improvement Campaign to perform a software update on all 2016-2018 MY Optima vehicles equipped with 2.4L Gasoline Direct Injection (?GDI?) and 2. Read More »

    • TSB #PS539

      Date Announced:
      MAR 02, 2018
      NHTSA ID:
      #10133170

      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. Read More »

    ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION

    • TSB #TSB_ENG222_R5

      Date Announced:
      JAN 06, 2022
      NHTSA ID:
      #10206642

      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. Read More »

    ENGINE AND ENGINE COOLING:COOLING SYSTEM

    • TSB #PI1802YZ_TSB

      Date Announced:
      MAR 17, 2020
      NHTSA ID:
      #10173256

      PRODUCT IMPROVEMENT CAMPAIGN: TSB - ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1802Y/Z) - This bulletin has been revised to include additional information. Read More »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

    • TSB #TSBENG178_R1

      Date Announced:
      APR 17, 2018
      NHTSA ID:
      #10136500

      TSB - DATA COLLECTION: EXTRACT CALIFORNIA EMISSIONS DATA FROM ECU (DC18) - This bulletin has been revised to include additional information. Read More »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

    • TSB #TSBENG178

      Date Announced:
      JAN 23, 2018
      NHTSA ID:
      #10128583

      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 ... Read More »

    FUEL SYSTEM, GASOLINE

    • TSB #WTY028_TSB_R1

      Date Announced:
      OCT 31, 2022
      NHTSA ID:
      #10225574

      TECHNICAL SERVICE BULLETIN: FUEL PUMP FILTER INSPECTION/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. Read More »

    • TSB #WTY028_TSB

      Date Announced:
      OCT 28, 2022
      NHTSA ID:
      #10225572

      TECHNICAL SERVICE BULLETIN: FUEL PUMP FILTER INSPECTION/REPLACEMENT - This bulletin provides information associated with the 'Warranty Extension Program' (WTY028) to inspect and, if necessary, replace the fuel pump filter assembly on ... Read More »

    • TSB #WTY028_OWNR

      Date Announced:
      JUL 29, 2022
      NHTSA ID:
      #10216905

      WARRANTY EXTENSION: OWNER NOTIFICATION - This document is the owner notification advising that Kia is extending the New Vehicle Limited Warranty coverage for repairs related to low-pressure fuel pump failure in 2016-2020 MY Optima ... Read More »

    • TSB #WTY028_DP

      Date Announced:
      JUL 27, 2022
      NHTSA ID:
      #10216903

      WARRANTY EXTENSION: DEALER PRINCIPAL MEMO - This document is the announcement to the dealer principals that Kia is extending the New Vehicle Limited Warranty coverage for repairs related to low-pressure fuel pump failure for 2016-2020 MY ... Read More »

    • TSB #WTY028_DPSM

      Date Announced:
      JUL 27, 2022
      NHTSA ID:
      #10216904

      WARRANTY EXTENSION: DEALER PARTS AND SERVICE MANAGER MEMO - This document is the announcement to the dealer Parts and Service Managers that Kia is extending the New Vehicle Limited Warranty coverage for repairs related to low-pressure ... Read More »

    • TSB #WTY028_QA

      Date Announced:
      JUL 27, 2022
      NHTSA ID:
      #10216906

      WARRANTY EXTENSION: QUESTION AND ANSWER - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Warranty Extension (WTY028). Read More »

    • TSB #WTY028_REIMB

      Date Announced:
      JUL 27, 2022
      NHTSA ID:
      #10216907

      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 ... Read More »

    • TSB #TSB_FUE046

      Date Announced:
      JUN 03, 2020
      NHTSA ID:
      #10176922

      TECHNICAL SERVICE BULLETIN: COMBINATION TSB/SERVICE ACTION: AIR FILTER AND NVLD REPLACEMENT (SA421) - This bulletin provides the procedure to perform an evaporative leak test and replace the fuel tank air filter, and, if necessary, the ... Read More »

    • TSB #TSBENG083_R1

      Date Announced:
      JAN 18, 2019
      NHTSA ID:
      #10152915

      TSB: SPECIAL SERVICE INFORMATION & SPECIFICATIONS FOR GDI HIGH PRESSURE FUEL SYSTEM - This bulletin has been revised to include additional information. Read More »

    POWER TRAIN

    • TSB #TSB_TRA046_R3

      Date Announced:
      NOV 18, 2022
      NHTSA ID:
      #10226555

      TECHNICAL SERVICE BULLETIN: TRANSMISSION FLUID APPLICATION GUIDE - This bulletin provides information relating to the correct transmission fluid type and fill quantity requirement for each Kia model. Read More »

    • TSB #TSB_TRA083_R1

      Date Announced:
      AUG 24, 2021
      NHTSA ID:
      #10200551

      TECHNICAL SERVICE BULLETIN: 7-SPEED DCT JUDDER INSPECTION AND DUAL CLUTCH ASSEMBLY REPLACEMENT - This bulletin has been revised to include additional information. Read More »

    • TSB #TSB_TRA098

      Date Announced:
      AUG 24, 2021
      NHTSA ID:
      #10200552

      TECHNICAL SERVICE BULLETIN: 7-SPEED DUAL CLUTCH TRANSMISSION (DCT) ANTI-JUDDER LOGIC IMPROVEMENT - This bulletin provides the procedure to update the software logic of the Dual Clutch Transmission (DCT) system on some 2016-2020MY Optima ... Read More »

    • TSB #TSB_TRA046_R1

      Date Announced:
      APR 24, 2020
      NHTSA ID:
      #10174520

      TECHNICAL SERVICE BULLETIN: - TRANSMISSION FLUID APPLICATION GUIDE - This bulletin has been revised to include additional information. Read More »

    • TSB #TSB_TRA088

      Date Announced:
      FEB 07, 2020
      NHTSA ID:
      #10172128

      TECHNICAL SERVICE BULLETIN: TRANSMISSION CONTROL UNIT (TCU) GEAR SHIFT LOGIC IMPROVEMENT - This bulletin provides the procedure to improve the gear shift logic of the Transmission Control Unit (TCU) on some 2018MY Optima (JF, JFa) ... Read More »

    • TSB #TSBTRA078

      Date Announced:
      JUN 11, 2019
      NHTSA ID:
      #10162049

      TSB: TRANSMISSION LOGIC IMPROVEMENT - This bulletin provides the procedure to optimize the logic of the Transmission Control Unit (TCU) on 2017-2018MY Soul (PS) and Forte (YDm) and 2016-2018MY Optima (JFa) vehicles equipped with 1. Read More »

    • TSB #VPI1802_QA

      Date Announced:
      JUL 25, 2018
      NHTSA ID:
      #10143474

      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. Read More »

    • TSB #VPI1802_DSM

      Date Announced:
      JUL 16, 2018
      NHTSA ID:
      #10143472

      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 ... Read More »

    • TSB #TSBENG177B_R1CLO

      Date Announced:
      MAR 21, 2018
      NHTSA ID:
      #10133181

      TSB - SERVICE ACTION: 2.4L SHIFT QUALITY & WAKE-UP LOGIC IMPROVEMENT (SA316B) - This bulletin has been CLOSED and superceded by TSB-ENG177C R3. Read More »

    • TSB #TSBENG177B_R1

      Date Announced:
      JAN 31, 2018
      NHTSA ID:
      #10128621

      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) ... Read More »

    • TSB #TSBENG177A (2)

      Date Announced:
      NOV 22, 2017
      NHTSA ID:
      #10126426

      TSB - SERVICE ACTION: 2.4L SHIFT QUALITY & WAKE-UP LOGIC IMPROVEMENT (SA316A) - CLOSED - This bulletin provides the procedure to improve the logic of the Electronic Control Unit (ECU) and Transmission Control Unit (TCU) on some 2018MY ... Read More »

    • TSB #TSBENG177B

      Date Announced:
      NOV 22, 2017
      NHTSA ID:
      #10126427

      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) ... Read More »

    • TSB #TSBTRA071AR1

      Date Announced:
      NOV 21, 2017
      NHTSA ID:
      #10126431

      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. Read More »

    • TSB #TSBENG177A

      Date Announced:
      NOV 16, 2017
      NHTSA ID:
      #10126425

      TSB - SERVICE ACTION: 2.4L SHIFT QUALITY & WAKE-UP LOGIC IMPROVEMENT (SA316A) - 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) ... Read More »

    • TSB #TSBTRA071

      Date Announced:
      NOV 16, 2017
      NHTSA ID:
      #10126429

      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. Read More »

    • TSB #TSBTRA071A

      Date Announced:
      NOV 16, 2017
      NHTSA ID:
      #10126430

      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. Read More »

    • TSB #TSBENG177

      Date Announced:
      NOV 15, 2017
      NHTSA ID:
      #10126424

      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 ... Read More »

    • TSB #TSBENG177

      Date Announced:
      OCT 24, 2017
      NHTSA ID:
      #10123330

      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) ... Read More »

    • TSB #TSBTRA071

      Date Announced:
      OCT 24, 2017
      NHTSA ID:
      #10123332

      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. Read More »

    POWER TRAIN:MANUAL TRANSMISSION

    • TSB #TSBENG177B_R1

      Date Announced:
      JAN 31, 2018
      NHTSA ID:
      #10128621

      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) ... Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION

    • TSB #TSBENG177B_R1

      Date Announced:
      JAN 31, 2018
      NHTSA ID:
      #10128621

      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) ... Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

    • TSB #TSBTRA071AR1

      Date Announced:
      NOV 21, 2017
      NHTSA ID:
      #10126431

      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. Read More »

    • TSB #TSBTRA071

      Date Announced:
      NOV 16, 2017
      NHTSA ID:
      #10126429

      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. Read More »

    • TSB #TSBTRA071A

      Date Announced:
      NOV 16, 2017
      NHTSA ID:
      #10126430

      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. Read More »

    POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT

    • TSB #TSBTRA047_R2

      Date Announced:
      FEB 16, 2018
      NHTSA ID:
      #10130104

      TSB - DRIVESHAFT SERVICEABILITY - This bulletin has been revised most recently to include additional information. Read More »

    ELECTRICAL SYSTEM

    • TSB #PI1802YZ_TSB_R7

      Date Announced:
      MAR 22, 2024
      NHTSA ID:
      #10252085

      TECHNICAL SERVICE BULLETIN: PRODUCT IMPROVEMENT CAMPAIGN: ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1802Y/Z) - This bulletin has been revised to include additional information. Read More »

    • TSB #CS2310_TSB_R1

      Date Announced:
      AUG 07, 2023
      NHTSA ID:
      #10240563

      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. Read More »

    • TSB #CS2303C_OWNR2

      Date Announced:
      JUL 31, 2023
      NHTSA ID:
      #10240262

      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 ... Read More »

    • TSB #CS2303D_OWNR2

      Date Announced:
      JUL 31, 2023
      NHTSA ID:
      #10240263

      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 ... Read More »

    • TSB #CS2303_TSB_R3

      Date Announced:
      JUL 13, 2023
      NHTSA ID:
      #10239713

      TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: ANTI-THEFT S/W LOGIC UPGRADE & DECAL INSTALLATION (CS2303) - This bulletin has been revised to include additional information. Read More »

    • TSB #CS2310_TSB

      Date Announced:
      JUL 06, 2023
      NHTSA ID:
      #10239108

      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 ... Read More »

    • TSB #CS2303_TSB_R2

      Date Announced:
      MAY 22, 2023
      NHTSA ID:
      #10236643

      TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: ANTI-THEFT S/W LOGIC UPGRADE & DECAL INSTALLATION (CS2303) - This bulletin has been revised to include additional information. Read More »

    • TSB #CS2303D_OWNR

      Date Announced:
      MAR 16, 2023
      NHTSA ID:
      #10233306

      CUSTOMER SATISFACTION CAMPAIGN: OWNER NOTIFICATION - This document is the owner 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 ... Read More »

    • TSB #CS2303_TSB_R1

      Date Announced:
      MAR 10, 2023
      NHTSA ID:
      #10232943

      TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: ANTI-THEFT S/W LOGIC UPGRADE & DECAL INSTALLATION (CS2303) - This bulletin has been revised to include additional information. Read More »

    • TSB #CS2303C_OWNR

      Date Announced:
      FEB 24, 2023
      NHTSA ID:
      #10232178

      CUSTOMER SATISFACTION CAMPAIGN: OWNER NOTIFICATION - This document is the owner 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 ... Read More »

    • TSB #CS2303_TSB

      Date Announced:
      FEB 16, 2023
      NHTSA ID:
      #10232113

      TECHNICAL SERVICE BULLETIN CUSTOMER SATISFACTION: ANTI-THEFT S/W LOGIC UPGRADE & DECAL INSTALLATION (CS2303) - This bulletin provides the procedure to upgrade the software logic of the Integrated Body Control Unit (IBU) or Body Control ... Read More »

    • TSB #TSB_ELE192_R1

      Date Announced:
      JAN 18, 2023
      NHTSA ID:
      #10230492

      TECHNICAL SERVICE BULLETIN: SERVICE ACTION: BMS/OPU/MCU LOGIC IMPROVEMENT (SA411) - 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. Read More »

    • TSB #TSB_ENG219_R1

      Date Announced:
      SEP 16, 2022
      NHTSA ID:
      #10220346

      TECHNICAL SERVICE BULLETIN: MAINTENANCE REMINDER FEATURE - 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. Read More »

    • TSB #TSB_SST067_R1

      Date Announced:
      NOV 04, 2021
      NHTSA ID:
      #10203695

      This bulletin provides information regarding test procedure of the Bearing Clearance Tester (BCT) Special Service Tool (SST). Read More »

    • TSB #PS704

      Date Announced:
      AUG 03, 2021
      NHTSA ID:
      #10200525

      PITSTOP: FRONT RADAR SENSOR MOUNTING INSPECTION (PS704) - This pitstop provides information regarding front radar sensor alignment on 2014MY and later vehicles that may exhibit a warning light ON related to radar sensor alignment errors ... Read More »

    • TSB #TSB_CHA084_R6

      Date Announced:
      NOV 25, 2020
      NHTSA ID:
      #10183333

      TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR OF C-MDPS MOTOR, ECU, WORM GEAR AND/OR STEERING COLUMN HOUSING - This bulletin has been revised to include additional information. Read More »

    • TSB #TSB_CHA084_R5

      Date Announced:
      NOV 04, 2020
      NHTSA ID:
      #10183332

      TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR OF C-MDPS MOTOR, ECU, WORM GEAR AND/OR STEERING COLUMN HOUSING - This bulletin has been revised to include additional information. Read More »

    • TSB #PS663

      Date Announced:
      OCT 07, 2020
      NHTSA ID:
      #10182529

      PITSTOP: MFC, CONCERNS FOR DISABLED OPERATION - This Pitstop provides information regarding concerns with disabled operation of Multi-Function Camera (MFC) on some Kia vehicles. Read More »

    • TSB #PI1802_TSB_R12

      Date Announced:
      AUG 04, 2020
      NHTSA ID:
      #10179250

      PRODUCT IMPROVEMENT - TSB_PI1802_R2 - Knock Sensor Detection System - ECU Logic Improvement - This bulletin has been revised to include additional information. Read More »

    • TSB #PI1802_TSB_R11

      Date Announced:
      JUN 04, 2020
      NHTSA ID:
      #10176911

      TSB: PRODUCT IMPROVEMENT CAMPAIGN : KNOCK SENSOR DETECTION SYSTEM (KSDS) LOGIC IMPROVEMENT (PI1802_R11) - This bulletin has been revised to include additional information. Read More »

    • TSB #TSB_ELE192

      Date Announced:
      APR 02, 2020
      NHTSA ID:
      #10174515

      TECHNICAL SERVICE BULLETIN: SERVICE ACTION: BMS/OPU/MCU LOGIC IMPROVEMENT (SA411) - This bulletin provides the procedure to improve the logic of the Battery Management System (BMS), Oil Pump Control Unit (OPU) and Motor Control Unit (MCU) ... Read More »

    • TSB #PI1802_TSB_R9

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10172149

      TSB - PRODUCT IMPROVEMENT CAMPAIGN - KNOCK SENSOR DETECTION SYSTEM - ECU LOGIC IMPROVEMENT (PI1802) Rev. Read More »

    • TSB #PI1802_TSB_R7

      Date Announced:
      SEP 30, 2019
      NHTSA ID:
      #10165611

      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 ... Read More »

    • TSB #PS600

      Date Announced:
      MAY 16, 2019
      NHTSA ID:
      #10160612

      PITSTOP: OUTSIDE MIRROR GLASS CONTROL INOPERATIVE - This Pitstop provides information on the repair procedure for an inoperative mirror glass on the outside door mirrors for 2016-2019MY Optima (JFa) and Sorento (UMa) vehicles. Read More »

    • TSB #TSBENG205_R1

      Date Announced:
      APR 10, 2019
      NHTSA ID:
      #10159249

      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 ... Read More »

    • TSB #TSBENG205

      Date Announced:
      APR 05, 2019
      NHTSA ID:
      #10159248

      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 ... Read More »

    • TSB #PS587

      Date Announced:
      JAN 18, 2019
      NHTSA ID:
      #10152909

      PITSTOP: P/HEV NO START ? SHIFT BEFORE READY - This Pitstop provides information regarding possible customer complaint of intermittent ?No-Start?. Read More »

    • TSB #VPI1802_TSB_R5

      Date Announced:
      DEC 20, 2018
      NHTSA ID:
      #10152904

      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 ... Read More »

    • TSB #TSBCHA084

      Date Announced:
      NOV 16, 2018
      NHTSA ID:
      #10151902

      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 ... Read More »

    • TSB #PS564

      Date Announced:
      MAY 22, 2018
      NHTSA ID:
      #10141384

      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. Read More »

    • TSB #PS531

      Date Announced:
      DEC 01, 2017
      NHTSA ID:
      #10127020

      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). Read More »

    • TSB #PS522

      Date Announced:
      OCT 23, 2017
      NHTSA ID:
      #10123320

      PITSTOP - ECO-COASTING (ECOASTING) & ECO-DAS (DRIVING ASSISTANT SYSTEM) OVERVIEW ? CUSTOMER TIP - This Pitstop provides information regarding Eco-Coasting Guide (eCoasting) and Eco-Driving Assistant System (DAS) found on 2017-18MY Niro ... Read More »

    • TSB #PS520

      Date Announced:
      OCT 10, 2017
      NHTSA ID:
      #10123319

      PITSTOP - HYBRID POWER CONTROL UNIT 30A DC FUSE - The 2017MY~ Optima Hybrid (JF HEV), Optima Plug-in Hybrid (JF PHEV), and Niro (DE HEV) vehicles are equipped with a replaceable 30A fuse for the eCompressor. Read More »

    ELECTRICAL SYSTEM:WIRING

    • TSB #PI1802WX_TSB_R7

      Date Announced:
      JAN 15, 2020
      NHTSA ID:
      #10170766

      PRODUCT IMPROVEMENT CAMPAIGN: ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1802W/X) - This bulletin has been revised to include additional information. Read More »

    ELECTRICAL SYSTEM:WIRING: REAR COMPARTMENT/TRUNK

    • TSB #PS524

      Date Announced:
      OCT 23, 2017
      NHTSA ID:
      #10123321

      PITSTOP - OPTIMA TRUNK TORSION BAR ADJUSTMENT - On some 2016-2018MY Optima (JFa) vehicles, there may be a concern with the trunk not opening as designed when using transmitter key fob or Smart Trunk feature. Read More »

    ELECTRICAL SYSTEM:IGNITION

    • TSB #CS2303C_OWNR

      Date Announced:
      FEB 24, 2023
      NHTSA ID:
      #10232178

      CUSTOMER SATISFACTION CAMPAIGN: OWNER NOTIFICATION - This document is the owner 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 ... Read More »

    ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE

    • TSB #CS2310_TSB_R1

      Date Announced:
      AUG 07, 2023
      NHTSA ID:
      #10240563

      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. Read More »

    • TSB #CS2303_TSB_R3

      Date Announced:
      JUL 13, 2023
      NHTSA ID:
      #10239713

      TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: ANTI-THEFT S/W LOGIC UPGRADE & DECAL INSTALLATION (CS2303) - This bulletin has been revised to include additional information. Read More »

    ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

    • TSB #TSB_SST067_R1

      Date Announced:
      NOV 04, 2021
      NHTSA ID:
      #10203695

      This bulletin provides information regarding test procedure of the Bearing Clearance Tester (BCT) Special Service Tool (SST). Read More »

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #PI1802_TSB_R8

      Date Announced:
      NOV 07, 2019
      NHTSA ID:
      #10168840

      TSB - Product Improvement Campaign: KNOCK SENSOR DETECTION SYSTEM - ECU LOGIC IMPROVEMENT (PI1802) - This bulletin has been revised to include additional information. Read More »

    • TSB #PI1802WX_TSB_R5

      Date Announced:
      APR 10, 2019
      NHTSA ID:
      #10159231

      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 ... Read More »

    • TSB #PI1802WX_TSB_R4

      Date Announced:
      APR 03, 2019
      NHTSA ID:
      #10159230

      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 ... Read More »

    • TSB #VPI1802_QA

      Date Announced:
      JUL 25, 2018
      NHTSA ID:
      #10143474

      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. Read More »

    • TSB #VPI1802_DP

      Date Announced:
      JUL 16, 2018
      NHTSA ID:
      #10143471

      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. Read More »

    • TSB #VPI1802_DSM

      Date Announced:
      JUL 16, 2018
      NHTSA ID:
      #10143472

      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 ... Read More »

    EXTERIOR LIGHTING

    • TSB #TSB_BOD055_R1

      Date Announced:
      SEP 13, 2021
      NHTSA ID:
      #10201529

      TECHNICAL SERVICE BULLETIN: INFORMATION FOR HEADLAMP CONDENSATION AND MOISTURE - 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. Read More »

    • TSB #TSB_ELE148

      Date Announced:
      JAN 21, 2020
      NHTSA ID:
      #10170778

      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 ... Read More »

    VISIBILITY

    • TSB #PS299_R4

      Date Announced:
      OCT 06, 2020
      NHTSA ID:
      #10181986

      PITSTOP: CORRECT PROCEDURE FOR RAISING WINDSHIELD WIPERS - 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. Read More »

    • TSB #PS299_R2

      Date Announced:
      JUL 30, 2018
      NHTSA ID:
      #10143403

      PITSTOP - CORRECT PROCEDURE FOR RAISING WINDSHIELD WIPERS - When servicing the windshield wipers on 2015MY~ K900 (KH), 2016MY~ Optima (JFa/JF), and 2018MY~ Stinger (CK) vehicles during PDI, make sure to use the procedure outlined below to ... Read More »

    VISIBILITY/WIPER (PWS)

    • TSB #PS299_R2

      Date Announced:
      JUL 30, 2018
      NHTSA ID:
      #10143403

      PITSTOP - CORRECT PROCEDURE FOR RAISING WINDSHIELD WIPERS - When servicing the windshield wipers on 2015MY~ K900 (KH), 2016MY~ Optima (JFa/JF), and 2018MY~ Stinger (CK) vehicles during PDI, make sure to use the procedure outlined below to ... Read More »

    VISIBILITY:WINDSHIELD

    • TSB #PS299_R3

      Date Announced:
      SEP 19, 2018
      NHTSA ID:
      #10145150

      PITSTOP - CORRECT PROCEDURE FOR RAISING WINDSHIELD WIPERS - When servicing the windshield wipers on the listed vehicles below during PDI, make sure to use the procedure outlined below to raise the wiper arms to the fully vertical position ... Read More »

    VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR

    • TSB #PS600

      Date Announced:
      MAY 16, 2019
      NHTSA ID:
      #10160612

      PITSTOP: OUTSIDE MIRROR GLASS CONTROL INOPERATIVE - This Pitstop provides information on the repair procedure for an inoperative mirror glass on the outside door mirrors for 2016-2019MY Optima (JFa) and Sorento (UMa) vehicles. Read More »

    VISIBILITY:WINDSHIELD WIPER/WASHER

    • TSB #PS299_R4

      Date Announced:
      OCT 06, 2020
      NHTSA ID:
      #10181986

      PITSTOP: CORRECT PROCEDURE FOR RAISING WINDSHIELD WIPERS - 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. Read More »

    • TSB #PS299_R3

      Date Announced:
      SEP 19, 2018
      NHTSA ID:
      #10145150

      PITSTOP - CORRECT PROCEDURE FOR RAISING WINDSHIELD WIPERS - When servicing the windshield wipers on the listed vehicles below during PDI, make sure to use the procedure outlined below to raise the wiper arms to the fully vertical position ... Read More »

    STRUCTURE

    • TSB #TSB_BOD055_R1

      Date Announced:
      SEP 13, 2021
      NHTSA ID:
      #10201529

      TECHNICAL SERVICE BULLETIN: INFORMATION FOR HEADLAMP CONDENSATION AND MOISTURE - 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. Read More »

    • TSB #TSBBOD182_R1

      Date Announced:
      JAN 11, 2018
      NHTSA ID:
      #10128617

      TSB - SERVICE ACTION: FLOOR CONSOLE INNER PANEL INSPECTION & CORRECTION/REPLACEMENT (SA328) -This bulletin has been revised to include additional information. Read More »

    LATCHES/LOCKS/LINKAGES

    • TSB #TSB_BOD208

      Date Announced:
      JUN 17, 2020
      NHTSA ID:
      #10177046

      TSB - This bulletin provides the procedure to perform a partial repair on the trunk latch base sub assembly on the certain Forte, Rio and Optima vehicles, which may exhibit a difficult-to-close/latch concern with the trunk lid. Read More »

    FORWARD COLLISION AVOIDANCE

    • TSB #PS704

      Date Announced:
      AUG 03, 2021
      NHTSA ID:
      #10200525

      PITSTOP: FRONT RADAR SENSOR MOUNTING INSPECTION (PS704) - This pitstop provides information regarding front radar sensor alignment on 2014MY and later vehicles that may exhibit a warning light ON related to radar sensor alignment errors ... Read More »

    BACK OVER PREVENTION:SOFTWARE

    • TSB #CS2303D_OWNR

      Date Announced:
      MAR 16, 2023
      NHTSA ID:
      #10233306

      CUSTOMER SATISFACTION CAMPAIGN: OWNER NOTIFICATION - This document is the owner 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 ... Read More »

    EQUIPMENT

    • TSB #SC205_DP

      Date Announced:
      AUG 02, 2022
      NHTSA ID:
      #10217672

      VOLUNTARY EMISSIONS SERVICE CAMPAIGN: DEALER PRINCIPAL MEMO - This document is the announcement to the dealer principals that Kia is conducting a Voluntary Emissions Service Campaign on 2016-2020 MY Kia Optima vehicles equipped with the 2. Read More »

    • TSB #TSB_ENG222_R4

      Date Announced:
      DEC 21, 2021
      NHTSA ID:
      #10205426

      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. Read More »

    • TSB #PI1802YZ_TSB_R5

      Date Announced:
      NOV 04, 2021
      NHTSA ID:
      #10203658

      PRODUCT IMPROVEMENT CAMPAIGN: ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1802Y/Z) - This bulletin has been revised to include additional information. Read More »

    • TSB #TSB_SST067_R1

      Date Announced:
      NOV 04, 2021
      NHTSA ID:
      #10203695

      This bulletin provides information regarding test procedure of the Bearing Clearance Tester (BCT) Special Service Tool (SST). Read More »

    • TSB #TSB_CHA106

      Date Announced:
      AUG 13, 2021
      NHTSA ID:
      #10200422

      TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR OF THE DUAL PINION MOTOR DRIVER POWER STEERING SYSTEM - This bulletin provides information regarding the availability of partial repair (depending on faulty components) of the Dual Pinion Motor ... Read More »

    • TSB #TSB_ENG222_R1

      Date Announced:
      JAN 27, 2021
      NHTSA ID:
      #10186041

      TECHNICAL SERVICE BULLETIN: EXCESSIVE OIL CONSUMPTION NU/GAMMA/THETA 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. Read More »

    • TSB #PS675

      Date Announced:
      AUG 25, 2020
      NHTSA ID:
      #10179255

      PITSTOP - BRAKE CALIPER LEAK INSPECTION - This PITSTOP provides information related to a brake caliper fluid/oil substance found on some Kia vehicles, due to possible excess assembly oil applied during assembly. Read More »

    • TSB #TSB_CHA098_R3

      Date Announced:
      AUG 07, 2020
      NHTSA ID:
      #10179256

      TECHNICAL SERVICE BULLETIN: IBAU SYSTEM REPAIR FOR NOISE AND AIR BLEEDING - 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. Read More »

    • TSB #PI1802_TSB_R11

      Date Announced:
      JUN 04, 2020
      NHTSA ID:
      #10176911

      TSB: PRODUCT IMPROVEMENT CAMPAIGN : KNOCK SENSOR DETECTION SYSTEM (KSDS) LOGIC IMPROVEMENT (PI1802_R11) - This bulletin has been revised to include additional information. Read More »

    • TSB #PS638

      Date Announced:
      DEC 13, 2019
      NHTSA ID:
      #10169695

      PITSTOP 638: HVAC TEMPERATURE BLEND DOOR INOPERATIVE, TICKING AND/OR MAKING A POPPING NOISE - This Pitstop provides information regarding an inoperative, or clicking and popping noise concern from the heater box blend door. Read More »

    • TSB #PS564

      Date Announced:
      MAY 22, 2018
      NHTSA ID:
      #10141384

      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. Read More »

    • TSB #TSBBOD182_R3

      Date Announced:
      MAR 21, 2018
      NHTSA ID:
      #10133176

      TSB - SERVICE ACTION: FLOOR CONSOLE INNER PANEL INSPECTION & CORRECTION/REPLACEMENT (SA328) - This bulletin has been revised to include additional information. Read More »

    • TSB #TSBBOD182_R1

      Date Announced:
      JAN 11, 2018
      NHTSA ID:
      #10128617

      TSB - SERVICE ACTION: FLOOR CONSOLE INNER PANEL INSPECTION & CORRECTION/REPLACEMENT (SA328) -This bulletin has been revised to include additional information. Read More »

    EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

    • TSB #PS500_R1

      Date Announced:
      JAN 12, 2018
      NHTSA ID:
      #10128608

      PITSTOP - PREMIUM NAVIGATION OR UVO eco WITH NAVIGATION (AVN 5.0) - This Pitstop provides information regarding the features and functionality on the latest generation Premium Navigation or UVO eco with Navigation (designated as AVN 5. Read More »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #PI1802WX_TSB_R7

      Date Announced:
      JAN 15, 2020
      NHTSA ID:
      #10170766

      PRODUCT IMPROVEMENT CAMPAIGN: ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1802W/X) - This bulletin has been revised to include additional information. Read More »

    • TSB #VPI1802_QA

      Date Announced:
      JUL 25, 2018
      NHTSA ID:
      #10143474

      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. Read More »

    EQUIPMENT ADAPTIVE/MOBILITY

    • TSB #TSB_ENG222_R4

      Date Announced:
      DEC 21, 2021
      NHTSA ID:
      #10205426

      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. Read More »

    • TSB #PI1802YZ_TSB_R5

      Date Announced:
      NOV 04, 2021
      NHTSA ID:
      #10203658

      PRODUCT IMPROVEMENT CAMPAIGN: ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1802Y/Z) - This bulletin has been revised to include additional information. Read More »

    • TSB #TSB_CHA106

      Date Announced:
      AUG 13, 2021
      NHTSA ID:
      #10200422

      TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR OF THE DUAL PINION MOTOR DRIVER POWER STEERING SYSTEM - This bulletin provides information regarding the availability of partial repair (depending on faulty components) of the Dual Pinion Motor ... Read More »

    • TSB #TSBCHA084_R4

      Date Announced:
      NOV 26, 2019
      NHTSA ID:
      #10168850

      TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR OF C-MDPS MOTOR, ECU AND/OR STEERING COLUMN HOUSING - This bulletin has been revised to include additional information. Read More »