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Service bulletins for the 2016 Kia Optima

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

293 on file from NHTSA, as of 2026-10-19.

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Bulletins, newest first
WTY028_QA2022-08-03. Service bulletin. FUEL SYSTEM, GASOLINE. WARRANTY EXTENSION: QUESTION AND ANSWER - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Warranty Extension (WTY028).
WTY028_OWNR2022-08-03. Service bulletin. FUEL SYSTEM, GASOLINE. 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 vehicles manufactured at a Kia assembly plant in the U.S. from 5 years / 60,000 miles to 15 years / 150,000 miles, whichever comes first, starting from the date the vehicle was first put into service.
WTY028_DPSM2022-08-03. Service bulletin. FUEL SYSTEM, GASOLINE. 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 fuel pump failure for 2016-2020 MY Optima vehicles manufactured at a Kia assembly plant in the U.S. from 5 years/60,000 miles to 15 years/ 150,000 miles, whichever comes first, starting from the date the vehicle was first put into service. This warranty extension is to address certain concerns related to the potential failure of the low-pressure fuel pump.
WTY028_DP2022-08-03. Service bulletin. FUEL SYSTEM, GASOLINE. 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 Optima vehicles manufactured at a Kia assembly plant in the U.S. from 5 years/60,000 miles to 15 years/ 150,000 miles, whichever comes first, starting from the date the vehicle was first put into service. This warranty extension is to address certain concerns related to the potential failure of the low-pressure fuel pump.
PS7202022-05-04. Service bulletin. ENGINE AND ENGINE COOLING. 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. Some replacement long blocks may come with pre-installed fuel rail, injectors, and injector wiring harness. If the condition is present, it is possible that the injector harness was not installed correctly. The connections may be swapped from cylinder No. 1 and cylinder No. 4, and from cylinder No. 2 and cylinder No. 3.
TSB_ELE044_R32022-05-04. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: HIGH-VOLTAGE BATTERY ORDERING AND RETURN PROCEDURE - 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 outlines the ordering and return procedure for high-voltage Lithium-ion batteries equipped on EV/hybrid vehicles (hereafter referred to as "high-voltage batteries" or HVBs).
WTY023_TSB2022-03-31. Service bulletin. ELECTRICAL SYSTEM; STEERING. TECHNICAL SERVICE BULLETIN: MDPS WARNING LAMP DIAGNOSTIC INSPECTION & SINGLE PARTS REPLACEMENT - This bulletin provides information regarding the diagnosis of Motor Driven Power Steering (MDPS), also known as Electronic Power Steering (EPS), and parts replacement associated with the ‘Warranty Extension Program’ (WTY023) on 2016-2017MY Optima (JF/JFa), 2017MY Optima HEV/PHEV (JF P/HEV), 2016-2017MY Sorento (UMa) vehicles produced in the ranges listed below. The affected vehicles may exhibit the MDPS (also known as EPS) warning lamp ‘ON’. The warranty coverage for repairs related to the MDPS unit due to illumination of the MDPS warning lamp has been extended to 15 years/150,000 miles, whichever comes first, starting from the date the vehicle was first put into service.
TSB_ENG222_R62022-03-31. Service bulletin. ENGINE AND ENGINE COOLING. TECHNICAL SERVICE BULLETIN: EXCESSIVE OIL CONSUMPTION NU/GAMMA/THETA/KAPPA ENGINES - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information on diagnosing and/or repairing some 2011-2021MY vehicles (refer to the tables on pages 8-9 for applicable models and engine), which may exhibit a symptom of excessive oil consumption.
WTY023_OWNR_JF2022-02-04. Service bulletin. STEERING. WARRANTY EXTENSION: OWNER NOTIFICATION - This document is the notification to owners of the warranty extension program for WTY023. Kia is extending the New Vehicle Limited Warranty coverage for repairs related to the Motor Driven Power Steering (MDPS) unit, also known as Electronic Power Steering (EPS) unit, due to illumination of the EPS warning light for all 2016-2017 MY Optima vehicles from 5 years/60,000 miles to 15 years/150,000 miles, whichever comes first, starting from the date the vehicle was first put into service.
WTY023_REIMB_JF2022-02-04. Service bulletin. STEERING. WARRANTY EXTENSION: REIMBURSEMENT FORM - This document is a Reimbursement Request form that was mailed with the customer letter advising them to submit the form if they had paid for repairs for this same matter prior to the warranty extension program launch.
WTY023_QA2022-02-04. Service bulletin. STEERING. WARRANTY EXTENSION: QUESTION AND ANSWER - This document is the Question and Answer Guide containing the most frequently asked questions regarding the warranty extension (WTY023). Kia America, Inc., is extending the New Vehicle Limited Warranty coverage for the Motor Driven Power Steering (MDPS) unit, also known as Electronic Power Steering (EPS) unit, from 5 years/60,000 miles to 15 years/150,000 miles, whichever comes first, starting from the date the vehicle was first put into service.
WTY023_DPSM2022-02-04. Service bulletin. STEERING. WARRANTY EXTENSION: DEALER PARTS AND SERVICE MANAGER MEMO - This document is the announcement to the dealer Parts and Service Managers of the warranty extension program for WTY023. Kia America, Inc., is extending the New Vehicle Limited Warranty coverage for the Motor Driven Power Steering (MDPS) unit, also known as Electronic Power Steering (EPS) unit, from 5 years/60,000 miles to 15 years/150,000 miles, whichever comes first, starting from the date the vehicle was first put into service.
WTY023_DP2022-02-04. Service bulletin. STEERING. WARRANTY EXTENSION: DEALER PRINCIPAL MEMO - This document is the announcement to the dealer principals of the warranty extension program for WTY023. Kia America, Inc., is extending the New Vehicle Limited Warranty coverage for the Motor Driven Power Steering (MDPS) unit, also known as Electronic Power Steering (EPS) unit, from 5 years/60,000 miles to 15 years/150,000 miles, whichever comes first, starting from the date the vehicle was first put into service.
WTY023_DPSM2022-01-20. Service bulletin. ELECTRICAL SYSTEM; STEERING:ELECTRIC POWER ASSIST SYSTEM. WARRANTY EXTENSION: DEALER PARTS AND SERVICE MANAGER MEMO - This document is the announcement to the dealer Parts and Service Managers of the warranty extension program for WTY023. Kia America, Inc., is extending the New Vehicle Limited Warranty coverage for the Motor Driven Power Steering (MDPS) unit, also known as Electronic Power Steering (EPS) unit, from 5 years/60,000 miles to 15 years/150,000 miles, whichever comes first, starting from the date the vehicle was first put into service. The power steering uses a motor to assist in steering the vehicle. If the engine is off or if the power steering system becomes inoperative, the vehicle may be steered, but it will require increased steering effort by the driver. This warranty extension is to address specific concerns with the functionality of the MDPS unit.
WTY023_DP2022-01-20. Service bulletin. STEERING:ELECTRIC POWER ASSIST SYSTEM; ELECTRICAL SYSTEM. WARRANTY EXTENSION: DEALER PRINCIPAL MEMO - This document is the announcement to the dealer principals of the warranty extension program for WTY023. Kia America, Inc., is extending the New Vehicle Limited Warranty coverage for the Motor Driven Power Steering (MDPS) unit, also known as Electronic Power Steering (EPS) unit, from 5 years/60,000 miles to 15 years/150,000 miles, whichever comes first, starting from the date the vehicle was first put into service. The power steering uses a motor to assist in steering the vehicle. If the engine is off or if the power steering system becomes inoperative, the vehicle may be steered, but it will require increased steering effort by the driver. This warranty extension is to address specific concerns with the functionality of the MDPS unit.
TSB_ENG222_R52022-01-20. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. TECHNICAL SERVICE BULLETIN: EXCESSIVE OIL CONSUMPTION NU/GAMMA/THETA/KAPPA ENGINES - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information on diagnosing and/or repairing some 2011-2021MY vehicles (refer to the tables on pages 8-9 for applicable models and engine), which may exhibit a symptom of excessive oil consumption.
PI1802YZ_TSB_R62022-01-04. Service bulletin. ENGINE AND ENGINE COOLING. PRODUCT IMPROVEMENT CAMPAIGN: ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1802Y/Z) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information related to the Technical Service Bulletin previously published PI1802 titled "Knock Sensor Detection System - ECU Logic Improvement" equipped w/THETA II engine. Specifically, this bulletin provides instructions on which procedures to follow if, after installation of the KSDS, any one of the subject vehicles below returns to the dealer with Diagnostic Trouble Code (DTC) P1326 (Knock Signal Range/Performance).
TSB_ENG222_R42021-12-23. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING. TECHNICAL SERVICE BULLETIN: EXCESSIVE OIL CONSUMPTION NU/GAMMA/THETA/KAPPA ENGINES - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information on diagnosing and/or repairing some 2011-2021MY vehicles (refer to the tables on pages 8-9 for applicable models and engine), which may exhibit a symptom of excessive oil consumption.
TSB_SST067_R12021-12-01. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; ELECTRICAL SYSTEM; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin provides information regarding test procedure of the Bearing Clearance Tester (BCT) Special Service Tool (SST). The SST comes pre-calibrated from the supplier however, in some cases, due to variable shop compressor air pressure, the SST may need to be re-calibrated to ensure that the tool provides accurate readings when testing the engine rod bearing wear. The calibration and BCT measuring point maintenance is included in this bulletin.
PI1802YZ_TSB_R52021-12-01. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ENGINE AND ENGINE COOLING. PRODUCT IMPROVEMENT CAMPAIGN: ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1802Y/Z) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information related to the Technical Service Bulletin previously published PI1802 titled "Knock Sensor Detection System - ECU Logic Improvement" equipped w/THETA II engine. Specifically, this bulletin provides instructions on which procedures to follow if, after installation of the KSDS, any one of the subject vehicles below returns to the dealer with Diagnostic Trouble Code (DTC) P1326 (Knock Signal Range/Performance).
TSB_CHA084_R82021-10-22. Service bulletin. STEERING. 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. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information regarding the partial repair of the Motor Driven Power Steering (MDPS) Motor, Electronic Control Unit (ECU), Steering Column Housing, or Worm Gear Assembly. When the steering wheel is rotated a scraping noise can be heard originating from the lower bearing on the Worm Gear Assembly on some 2010MY~ Kia models listed on page 8, equipped with a Column Motor Driven Power Steering (C-MDPS) unit. On some vehicles when the steering wheel is rotated a scraping noise can be heard originating from the lower bearing on the Worm Gear Assembly and does not affect the steering effort.
TSB_BOD055_R12021-10-02. Service bulletin. STRUCTURE; EXTERIOR LIGHTING. 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. This bulletin provides information relating to some Kia models that may exhibit fogging, condensation, and/or moisture inside a headlamp assembly. Generally, a fogging condition is considered normal and can be eliminated by turning on the headlamps with the engine running for up to 30 minutes or during normal driving conditions. Headlamp assembly replacement WILL NOT be necessary in most cases.
TSB_ENG222_R32021-09-10. Service bulletin. ENGINE AND ENGINE COOLING. TECHNICAL SERVICE BULLETIN: EXCESSIVE OIL CONSUMPTION NU/GAMMA/THETA/KAPPA ENGINES - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information on diagnosing and/or repairing some 2011-2019MY vehicles (refer to table below for applicable model and engine), which may exhibit a symptom of excessive oil consumption.
TSB_TRA0982021-09-03. Service bulletin. POWER TRAIN. 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 (JFa) vehicles produced from August 28, 2015 through June 1, 2020, equipped with Gamma 1.6L T-GDI engine and 7-speed DCT, which might exhibit clutch judder when accelerating from a stop.
TSB_TRA083_R12021-09-03. Service bulletin. POWER TRAIN. TECHNICAL SERVICE BULLETIN: 7-SPEED DCT JUDDER INSPECTION AND DUAL CLUTCH ASSEMBLY 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. This bulletin provides the procedure to replace Dual Clutch Assembly and upgrade the TCU on some 2016-2020MY Kia vehicles listed in the table below, equipped with the 7 Speed Dual Clutch Transmission (DCT), which might exhibit clutch judder when accelerating from a stop.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.