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Service bulletins for the 2015 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.

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

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Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
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).
SC208_POC2021-08-25. Service bulletin. EQUIPMENT:OTHER:LABELS; FUEL SYSTEM, GASOLINE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SC208_POC: PROOF OF CORRECTION CARD
SC208_STKR2021-08-25. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; FUEL SYSTEM, GASOLINE. SC208_STKR: VOLUNTARY EMISSIONS SERVICE CAMPAIGN COMPLETION STICKER
SC208_QA2021-08-25. Service bulletin. EQUIPMENT. SC208_QA: QUESTION AND ANSWER - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Voluntary Emissions Service Campaign (SC208).
TSB_FUE0492021-02-02. Service bulletin. FUEL SYSTEM, GASOLINE; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. TECHNICAL SERVICE BULLETIN: COMBINATION TSB / SERVICE ACTION: AIR FILTER AND NVLD REPLACEMENT (SA447) - This bulletin provides the procedure to perform an evaporative leak test and replace the Fuel Tank Air Filter, and, if necessary, the Natural Vacuum Leak Detector (NVLD) on some 11-16MY Kia vehicles listed in the table below, which may experience an evaporative leak concern with DTC P0456.
TSB_ENG222_R12021-02-02. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. 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. 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.
TSBELE100R22020-12-03. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. TSB - COMBINATION TSB / SERVICE ACTION: UVO SYSTEM UPGRADE (SA222) - 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 for upgrading the UVO system on some 2014~2016MY Soul (PS), Sorento (XMa), Optima (TF/QF), Forte (YD) and Sportage (SL) vehicles to address "Incoming ring volume too loud" complaints when using certain smartphones (non-iPhone). Additionally, in 2014MY vehicles the upgrade will also improve Bluetooth connectivity and voice recognition.
PS4432020-12-03. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM; EQUIPMENT. TSB - USE OF AFTERMARKET USB CHARGING CABLES IN USB/12V PORTS - This article provides information regarding the use of USB ports and 12V power outlets to connect/charge mobile phones. Customers may experience issues with their head units that may be related to the use of aftermarket USB charging cables, including; * Electrical interference and limited or no functionality when attempting to play music, or when charging a device through the USB port * Excessive static or noise when listening to the audio source * Malfunctions and screen freeze of the head unit screen * Slow down of the system response while device is plugged in * Music will not play from iPhone 5 or 6 with Kia iPod cable and aftermarket adapter * No or limited functionality when trying to play music from an Apple device
TSB_CHA098_R32020-09-03. Service bulletin. EQUIPMENT; SERVICE BRAKES, HYDRAULIC:FLUID. 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. 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.
PS6752020-09-03. Service bulletin. EQUIPMENT; SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER. 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.
SC189_Label2020-08-04. Service bulletin. EQUIPMENT:OTHER:LABELS; ENGINE AND ENGINE COOLING. Voluntary Emissions Service Campaign (SC189) - Completion Label
TSB_CLI0492020-07-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL; EQUIPMENT:APPLIANCE:AIR CONDITIONER. TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR - ELECTRICAL A/C COMPRESSOR - This bulletin provides information regarding partial repair of the Air Conditioning (A/C) compressor assembly on some 2011MY~ Optima (TF HEV, JF HEV/PHEV/EV), Soul (PS EV) and Niro (DE HEV/PHEV/EV) vehicles.
PI1802_TSB_R112020-07-06. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. TSB: PRODUCT IMPROVEMENT CAMPAIGN : KNOCK SENSOR DETECTION SYSTEM (KSDS) LOGIC IMPROVEMENT (PI1802_R11) - This bulletin has been revised to include additional information. This bulletin provides information related to a software update to the Engine Control Unit (ECU) to install the Knock Sensor Detection System (KSDS) in order to protect the engine from excessive connecting rod bearing damage.
PI1802WX_TSB_R72020-02-03. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:WIRING. PRODUCT IMPROVEMENT CAMPAIGN: ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1802W/X) - This bulletin has been revised to include additional information.This bulletin provides information related to the Technical Service Bulletin previously published in July 2018 (PI1802, Rev 6, 01/31/2019) titled "Knock Sensor Detection System - ECU Logic Improvement". 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.
TSBCHA084_R42019-12-09. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING; STEERING. TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR OF C-MDPS MOTOR, ECU AND/OR STEERING COLUMN HOUSING - This bulletin has been revised to include additional information.This bulletin provides information regarding the partial repair of the Motor Driven Power Steering (MDPS) Motor, Electronic Control Unit (ECU) or Steering Column Housing on some 2010MY~ Kia models listed on page 5 equipped with a Column Motor Driven Power Steering (C-MDPS) unit. Follow the MDPS Flowchart (page 2) along with the MDPS DTC Table (page 3) procedure outlined in this bulletin before replacing the C-MDPS Motor, ECU or Steering Column Housing.
VSC152_QA2018-10-09. Service bulletin. EQUIPMENT:OTHER:LABELS. QUESTIONS AND ANSWERS - SC152 ? VEHICLE EMISSION CONTROL (VECI) LABEL REPLACEMENT VOLUNTARY EMISSIONS SERVICE CAMPAIGN
VSC152_OWNER_TFE2018-10-09. Service bulletin. EQUIPMENT:OTHER:LABELS. EMISSIONS SERVICE CAMPAIGN (SC152) - OWNER LETTER - Dear Kia Optima Hybrid Owner: Kia Motors America, Inc. is conducting a Voluntary Emissions Service Campaign to replace the Vehicle Emission Control Information (VECI) Label on all 2015, 2016, and some 2017 MY Optima Hybrid vehicles.
VSC152_DSM2018-10-09. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; EQUIPMENT:OTHER:LABELS. EMISSIONS SERVICE CAMPAIGN (SC152) - DEALER PARTS AND SERVICE MANAGER LETTER - Kia Motors America, Inc. is conducting a Voluntary Emissions Service Campaign to replace the Vehicle Emission Control Information (VECI) Label on all 2015, 2016, and some 2017 MY Optima Hybrid vehicles produced from July 24, 2014 through June 12, 2017, and on some 2018 MY Stinger rear-wheel drive (RWD) and all-wheel drive (AWD) vehicles equipped with Theta 2.0-T engines, produced from September 29, 2017 through November 20, 2017. An incorrect VECI label was installed during the production of these vehicles. The VECI label is extremely important when performing maintenance, emissions inspection, or ordering engine and engine management related parts. It also contains the code that tells a testing facility which test to perform to ensure the vehicle is tested to the correct emission standard.
VSC152_DP2018-10-09. Service bulletin. EQUIPMENT:OTHER:LABELS; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. EMISSIONS SERVICE CAMPAIGN (SC152) - DEALER PRINCIPAL LETTER - Kia Motors America, Inc. is conducting a Voluntary Emissions Service Campaign to replace the Vehicle Emission Control Information (VECI) Label on all 2015, 2016, and some 2017 MY Optima Hybrid vehicles produced from July 24, 2014 through June 12, 2017, and on some 2018 MY Stinger rear-wheel drive (RWD) and all-wheel drive (AWD) vehicles equipped with Theta 2.0-T engines, produced from September 29, 2017 through November 20, 2017. An incorrect VECI label was installed during the production of these vehicles. The VECI label is extremely important when performing maintenance, emissions inspection, or ordering engine and engine management related parts. It also contains the code that tells a testing facility which test to perform to ensure the vehicle is tested to the correct emission standard.
VPI1802_TSB_R22018-10-09. Service bulletin. ENGINE; EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). PRODUCT IMPROVEMENT CAMPAIGN (PI1802) - TSB - KNOCK SENSOR DETECTION SYSTEM - ECU LOGIC IMPROVEMENT (PI1802) - This bulletin provides information related to a software update to the Engine Control Unit (ECU) to install the Knock Sensor Detection System (KSDS) in order to protect the engine from excessive connecting rod bearing damage.
VPI1802_QA2018-08-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:SOFTWARE; ENGINE; POWER TRAIN. 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.
TSBELE129_R22018-04-16. Service bulletin. EQUIPMENT. TSB - UVO SOFTWARE UPGRADE - This bulletin has been revised and is no longer a Service Action. This bulletin provides the procedure to upgrade the UVO software on some 2015MY Soul (PS), Sportage (SL), Optima (TF, QF), Forte (YD), and Sorento (XMa) vehicles to incorporate Bluetooth and Voice Recognition improvements.
TSBELE128_R22018-04-16. Service bulletin. EQUIPMENT. TSB - AUDIO SOFTWARE UPGRADE - This bulletin has been revised and is no longer a Service Action. This bulletin provides the procedure to upgrade the audio software on some 2015MY Soul (PS), Sportage (SL), Optima (TF, QF), Forte (YD), and Sorento (XMa) vehicles to incorporate Bluetooth and Voice Recognition improvements.

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