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Service bulletins for the 2019 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.

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

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Bulletins, newest first
SC169_QA2019-11-07. Service bulletin. ENGINE AND ENGINE COOLING. VOLUNTARY EMISSIONS SERVICE CAMPAIGN (SC169): QUESTIONS AND ANSWERS - This document contains questions and answers regarding the Voluntary Emissions Service Campaign on the Engine Oil Filler Cap inspection, and if necessary, replacement.
SC169_OWNER_JFA2019-11-07. Service bulletin. ENGINE AND ENGINE COOLING. VOLUNTARY EMISSIONS SERVICE CAMPAIGN (SC169): ENGINE OIL FILLER CAP - This document is the owner notification letter for 2019 MY Kia Optima vehicle owners advising them that Kia Motors America is conducting a Voluntary Emissions Service Campaign to inspect, and if necessary replace the Engine Oil Filler Cap on certain 2019 MY Kia Optima vehicles.
SC169_DSM2019-11-07. Service bulletin. ENGINE AND ENGINE COOLING. VOLUNTARY EMISSIONS SERVICE CAMPAIGN (SC169): DEALER SERVICE MANAGER NOTICE - Kia Motors America, Inc. will be conducting a Voluntary Emissions Service Campaign to inspect and, if necessary, replace the engine oil filler cap on certain 2018 MY Stinger, 2018 MY Cadenza, 2019 MY Sedona, 2019 MY Sorento, and 2019 MY Optima vehicles. The engine oil filler cap may contain a misprint of the SAE Engine Oil Viscosity Number.
SC169_DP2019-11-07. Service bulletin. ENGINE AND ENGINE COOLING. VOLUNTARY EMISSIONS SERVICE CAMPAIGN (SC169) DEALER PRINCIPAL NOTICE - This document notifies the Kia dealer principals that that Kia Motors America, Inc. will be conducting a Voluntary Emissions Service Campaign to inspect and, if necessary, replace the engine oil filler cap on certain 2018 MY Stinger, 2018 MY Cadenza, 2019 MY Sedona, 2019 MY Sorento, and 2019 MY Optima vehicles. The engine oil filler cap may contain a misprint of the SAE Engine Oil Viscosity Number.
PI1805_Owner_JFA2019-11-07. Service bulletin. ENGINE AND ENGINE COOLING. PRODUCT IMPROVEMENT CAMPAIGN (PI1805): OWNER NOTIFICATION - OPTIMA -This document is the owner letter for Kia Optima owners advising them of the Product Improvement Campaign to perform a software update on some 2019 MY Optima vehicles equipped with 2.4L Gasoline Direct Injection (GDI) and 2.0L Turbocharged GDI (T-GDI) engines to protect the engine from excessive connecting rod bearing damage. The update will be done free of charge and will only involve the addition of newly developed computer software for the Engine Control Unit (ECU).
PI1805_DSM2019-11-07. Service bulletin. ENGINE AND ENGINE COOLING. PRODUCT IMPROVEMENT CAMPAIGN (PI1805) - DEALER SERVICE MANAGER NOTCE - This document is the Dealer Service Manager notification that Kia is conducting a Product Improvement Campaign to perform a software update to the Engine Control Unit (ECU) to protect the engine from excessive connecting rod bearing damage.
PI1805_DP2019-11-07. Service bulletin. ENGINE AND ENGINE COOLING. PRODUCT IMPROVEMENT CAMPAIGN (PI1805) DEALER PRINCIPAL NOTICE - This document is notice to the Dealer Principals advising them of the Product Improvement Campaign to perform a software update to the Engine Control Unit (ECU) to protect the engine from excessive connecting rod bearing damage.
PS6162019-11-07. Service bulletin. ENGINE AND ENGINE COOLING. 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. The lower engine service cover is secured by seven (7) retaining bolts. Installation of the two (2) long bolts in the incorrect location may cause puncture or damage to the oil pan in the event that the vehicle is bottomed out while driving. If the oil pan is damaged or punctured, the engine oil may leak, possibly causing engine damage. This
PI1805_TSB2019-11-07. Service bulletin. ENGINE AND ENGINE COOLING. PRODUCT IMPROVEMENT CAMPAIGN (PI1805) - TSB: This bulletin provides information related to a software update to the Engine Control Unit (ECU) to install the Knock Sensor Detection System (KSDS) in order to protect the engine from excessive connecting rod bearing damage.
PI1805_QA2019-11-07. Service bulletin. ENGINE AND ENGINE COOLING. PRODUCT IMPROVEMENT CAMPAIGN (PI1805): QA - This document is the Question and Answer Guide for this Product Improvement Campaign to improve the knock sensor detection system (KSDS) logic.
TSBCHA0982019-09-06. Service bulletin. ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL. TSBCHA098: IBAU SYSTEM REPAIR GUIDE FOR NOISE AND AIR BLEEDING - This bulletin provides the repair guide for the Integrated Brake Actuation Unit (iBAU) system on some 2014-2019MY Kia EV/Hybrid/Plug-In Hybrid vehicles listed (see table), which may exhibit a “Honking” (hissing) noise due to air remaining in the brake fluid system.
TSBCHA098_R12019-09-06. Service bulletin. SERVICE BRAKES, HYDRAULIC. TSBCHA098_R1: IBAU SYSTEM REPAIR FOR NOISE AND AIR BLEEDING - This bulletin has been revised to include additional information. This bulletin provides the repair procedure for the Integrated Brake Actuation Unit (iBAU) system on some 2014-2019MY EV/Hybrid/Plug-In Hybrid vehicles listed (see table), which may exhibit a "Honking" (Hissing) noise due to air remaining in the brake fluid system.
TSBCHA084_R22019-07-04. Service bulletin. STEERING; STEERING:COLUMN. TSB: REPLACEMENT OF C-MDPS MOTOR, ECU AND/OR STEERING COLUMN HOUSING - This bulletin has been revised to include additional information. This bulletin provides information regarding the partial repair of the Motor Driven Power Steering (MDPS) Motor, Electronic Control Unit (ECU) or Steering Column Housing on the Kia models listed on the chart below with a column mounted C-MDPS unit.
TSBENG197_R12019-06-04. Service bulletin. ENGINE AND ENGINE COOLING. TSB: DATA COLLECTION: EXTRACT CALIFORNIA EMISSIONS DATA FROM ECU (DC19) - This bulletin has been revised to include additional information. This bulletin provides information related to extracting "in use performance tracking" emissions data from the Engine Control Unit (ECU) of certain vehicles sold in California.
PS6002019-06-04. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR. 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.
VSC173_TSB2019-03-18. Service bulletin. SEATS. TSB: VOLUNTARY SERVICE CAMPAIGN (SC173) - FRONT SEATBACK FRAME REPLACEMENT - This bulletin provides the procedure to replace the front driver and/or passenger seatback frames in certain 2019MY Kia Optima vehicles, manufactured from December 13, 2018 through January 2, 2019. The upper side member connection area on one side of the front seatback frame may have been improperly welded and may detach as a result. If the weld detaches, the driver or front seat passenger may hear a noise coming from the area and/or may experience slight discomfort when seated.
VSC173_QA2019-03-18. Service bulletin. SEATS. VOLUNTARY SERVICE CAMPAIGN (SC173): QUESTION AND ANSWER GUIDE - This document is is a question and answer guide containing frequently asked questions regarding the campaign.
VSC173_DPSM2019-03-18. Service bulletin. SEATS. VOLUNTARY SERVICE CAMPAIGN (SC173): ALL DEALER PARTS & SERVICE MANAGERS - This document is notice to the dealer parts & service managers notifying them of a Voluntary Service Campaign to replace the front driver and/or passenger seatback frames. The upper side member connection area on one side of the front seatback frame may have been improperly welded and may detach as a result.
VSC173_DP2019-03-18. Service bulletin. SEATS. VOLUNTARY SERVICE CAMPAIGN (SC173): ALL DEALER PRINCIPALS - This document is notice to the dealer principals notifying them of a Voluntary Service Campaign to replace the front driver and/or passenger seatback frames. The upper side member connection area on one side of the front seatback frame may have been improperly welded and may detach as a result.
TSBENG1972019-03-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; EQUIPMENT. TSB: DATA COLLECTION: EXTRACT CALIFORNIA EMISSIONS DATA FROM ECU (DC19) - This bulletin provides information related to extracting ?in use performance tracking? emissions data from the Engine Control Unit (ECU) of certain vehicles sold in California. The California Air Resources Board (CARB) requires the emissions data from vehicles with a minimum of 3,000 accumulated miles without reprogramming or resetting.
TSBENG1982019-02-19. Service bulletin. ENGINE AND ENGINE COOLING. TSB: SERVICE ACTION: 2.4L GDI ENGINE START LOGIC IMPROVEMENT (SA369) - This bulletin provides the procedure to improve the logic of the Engine Control Unit (ECU) on some 2019MY Optima (JFa) vehicles, produced from May 21, 2018 through January 4, 2019, which may experience an intermittent difficult-to-start concern during a cold start.
TSBENG083_R12019-02-19. Service bulletin. FUEL SYSTEM, GASOLINE. TSB: SPECIAL SERVICE INFORMATION & SPECIFICATIONS FOR GDI HIGH PRESSURE FUEL SYSTEM - This bulletin has been revised to include additional information. This bulletin provides information relating to all Kia vehicles equipped with Gasoline Direct Injection (GDI) engines. In these engines highly pressurized gasoline is injected via a common fuel rail and injectors that deliver fuel directly into the combustion chamber of each cylinder. In comparison, in a conventional Multi-Point Fuel Injection (MPI) engine, the gasoline is injected into the intake port of each cylinder at a relatively low pressure. Due to high fuel pressure in a GDI system, servicing the GDI system requires special attention and handling procedures. This bulletin provides special service information and specifications for the GDI fuel system components.
TSBCHA084_R12019-02-19. Service bulletin. STEERING. TSB: REPLACEMENT OF C-MDPS MOTOR AND/OR ECU - This bulletin has been revised to include additional information. This bulletin provides information regarding the partial repair of the Motor Driven Power Steering (MDPS) Motor and/or Electronic Control Unit (ECU) on the listed Kia models with a column mounted C-MDPS unit.
PS5872019-02-19. Service bulletin. ELECTRICAL SYSTEM. PITSTOP: P/HEV NO START ? SHIFT BEFORE READY - This Pitstop provides information regarding possible customer complaint of intermittent ?No-Start?.
TSBELE1532018-12-17. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; ELECTRICAL SYSTEM. TSB: SERVICE ACTION: POWER WINDOW SWITCH ASSEMBLY REPLACEMENT (SA354) - This bulletin provides the procedure to replace the main power window switch assembly on some 2019MY Optima (JFa) vehicles, produced from May 22, 2018 through August 30, 2018, which may experience a non-functioning ?auto-up? window switch. Follow the procedure outlined in this bulletin to replace the main power window switch assembly.

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