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Service bulletins for the 2014 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.

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

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Only bulletins with component: Software are shown. Show all

Bulletins, newest first
PI1803_TSB_R62021-08-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING. TECHNICAL SERVICE BULLETIN - PRODUCT IMPROVEMENT CAMPAIGN PI1803_TSB_R6: KNOCK SENSOR DETECTION SYSTEM - ECU - LOGIC IMPROVEMENT (PI1803) - 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.
TSB_TRA0592020-12-04. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM:SOFTWARE. TECHNICAL SERVICE BULLETIN: HCU/TCU UPGRADE - FOR 100 MESH SOLENOID EQUIPPED HYBRID TRANSMISSIONS -This bulletin provides information related to a software upgrade of the Hybrid Control Unit (HCU) and the Transmission Control Unit (TCU) of some 2011-2016 MY Optima Hybrid (TF HEV) vehicles after replacement of the transmission with improved 100 mesh solonoid filters has taken place. To apply the improved logic, the HCU/TCU should be reprogrammed using the GDS/KDS download, as described in this bulletin.
PI1802_TSB_R82019-12-09. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING. TSB - Product Improvement Campaign: KNOCK SENSOR DETECTION SYSTEM - ECU LOGIC IMPROVEMENT (PI1802) - 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.
TSB_PI1803_R22019-06-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING. PRODUCT IMPROVEMENT CAMPAIGN - KNOCK SENSOR DETECTION SYSTEM - ECU LOGIC IMPROVEMENT (PI1803) - 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.
PI1803_OWN#2_OPT2019-04-30. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING. OWNER LETTER: Dear Kia Optima Owner: Kia Motors America, Inc. is conducting an important Product Improvement Campaign to perform a software update on all 2011-2013 MY Optima vehicles equipped with 2.4L Gasoline Direct Injection ("GDI") and 2.0L Turbocharged GDI ("T-GDI") engines, and some 2014 MY Optima vehicles equipped with 2.4L GDI and 2.0L 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").
PI1802WX_TSB_R52019-04-30. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:SOFTWARE. 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 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.
PI1802WX_TSB_R42019-04-30. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:SOFTWARE. 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 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.
VPI1803_DP2018-11-13. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. PRODUCT IMPROVEMENT CAMPAIGN (PI1803) - DEALER PRINCIPAL LETTER - Attention: All Kia Dealer Principals, 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.
VPI1802A1_OWNER2018-10-09. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE. PRODUCT IMPROVEMENT CAMPAIGN (PI1802A1) UPDATE - OWNER LETTER - Dear Kia Optima Owner: As we previously notified you, Kia Motors America, Inc. is conducting an important Product Improvement Campaign to perform a software update on some 2014 MY Optima vehicles equipped with 2.4L Gasoline Direct Injection (?GDI?) engines, and all 2015 MY Optima vehicles equipped with 2.4L GDI and 2.0L Turbocharged GDI (?T-GDI?) engines to protect the engine from excessive connecting rod bearing damage by utilizing a Knock Sensor Detection System (?KSDS?). Our records show that the KSDS software was recently installed in your vehicle and we want to thank you for your quick action. Since then, Kia has become aware that the KSDS software version installed in your vehicle has an error and requires the installation of a new corrected software.
VPI1802A1_DSM2018-10-09. Service bulletin. ENGINE; ELECTRICAL SYSTEM:SOFTWARE. PRODUCT IMPROVEMENT CAMPAIGN (PI1802A1) UPDATE - DEALER SERVICE MANAGER LETTER - As announced in July 2018, Kia Motors America, Inc. has been conducting a Product Improvement Campaign (PI1802) to perform a software update to protect the engine from excessive connecting rod bearing damage by utilizing a Knock Sensor Detection System (?KSDS?) on certain Kia vehicles. Since the launch of this Product Improvement Campaign, Kia has become aware that the KSDS software version installed on 2014~2015 MY Optima vehicles before September 7, 2018 has an error and requires the installation of a new corrected software.
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.
VPI1802_DSM2018-08-06. Service bulletin. ENGINE; POWER TRAIN; ELECTRICAL SYSTEM:SOFTWARE. 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 bearing damage.
VPI1802_DP2018-08-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE. 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.
TSBELE091R32017-12-22. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. TSB - IDENTIFYING HEAD UNIT SOFTWARE VERSION FOR DIRECT EXCHANGE - This bulletin provides the procedure on how to identify and record the head unit software level on various head unit platforms and generations.
TSB-ELE091R12017-08-31. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM:SOFTWARE. TSB: IDENTIFYING HEAD UNIT SOFTWARE VERSION FOR DIRECT EXCHANGE - Identifying Head Unit Software Version For Direct Exchange (ELE091) (Rev 1) - This bulletin provides the procedure on how to identify and record the head unit software level on various head unit platforms and generations. This procedure will now be required when ordering head units through the Direct Exchange Program (see Parts Bulletin 91-961-0005).
TSBTRA059R22017-08-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN. TSB:HCU/TCU UPGRADE ? FOR 100 MESH SOLENOID EQUIPPED HYBRID TRANSMISSIONS - This bulletin provides information related to a software upgrade of the Hybrid Control Unit (HCU) and the Transmission Control Unit (TCU) of some 2011~2016MY Optima Hybrid (TF HEV) after replacement of the transmission with improved 100 mesh solenoids has taken place. To apply the improved logic, the HCU/TCU should be reprogrammed using the GDS/KDS download, as described in this bulletin.
TSB-ELE101R32017-08-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. TSB: BASE AUDIO SYSTEM UPGRADE - This bulletin provides the procedure for upgrading the base audio system software of some 2014MY Soul (PS), Sorento (XMa), Optima (TF, QF), Forte (YD), Sportage (SL), and Rio (UB) vehicles, to improve Bluetooth® connectivity, Phonebook Download, Audio Streaming and Call History Download.
TSB-ELE062R22017-08-02. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM:SOFTWARE. TSB: NAVIGATION UNIT SOFTWARE UPGRADE - This bulletin provides the procedure for upgrading the navigation system software on some 2014MY Cadenza (VG) Sorento (XMa) and Optima (TF/QF) vehicles, produced from March 11, 2013 through January 24, 2014.
TSB-ELE062R12017-08-02. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM:SOFTWARE. TSB: NAVIGATION UNIT SOFTWARE UPGRADE - This bulletin provides the procedure for upgrading the navigation system software on some 2014MY Cadenza (VG) and Optima (TF/QF) vehicles, produced from March 11, 2013 through January 24, 2014.
TSB-ENG160R12017-08-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE. TSB: ECU UPGRADE ? MIL ON WITH DTC(s) P0420/P0171 - This bulletin provides information related to the ECU software upgrade for some 2012~2015MY Optima (QF) vehicles, produced from August 12, 2011 to October 2, 2015, some 2012~2015MY Sorento (XMa) vehicles, produced from April 19, 2011 to December 11, 2014, some 2011~2015MY Optima (TF) vehicles, produced from August 12, 2010 to July 23, 2015, and some 2014~2016MY Sportage (SL) vehicles, produced from September 30, 2013 to November 16, 2015, which may experience a malfunction indicator lamp (MIL) illuminated with the Electronic Control Unit (ECU) system-related DTC(s): P0420 and possibly P0171. This concern occurs most commonly during prolonged engine braking while descending a steep grade.
TSB-ENG1602017-08-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE. TSB: ECU UPGRADE ? MIL ON WITH DTC(s) P0420/P0171 - This bulletin provides information related to the ECU software upgrade for some 2012~2015MY Optima (QF) vehicles, produced from August 12, 2011 to October 2, 2015, some 2012~2015MY Sorento (XMa) vehicles, produced from April 19, 2011 to December 11, 2014, some 2011~2015MY Optima (TF) vehicles, produced from August 12, 2010 to July 23, 2015, and some 2014~2016MY Sportage (SL) vehicles, produced from September 30, 2013 to November 16, 2015, which may experience a malfunction indicator lamp (MIL) illuminated with the Electronic Control Unit (ECU) system-related DTC(s): P0420 and possibly P0171. This concern occurs most commonly during prolonged engine braking while descending a steep grade.
TSB-ELE1172017-08-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). TSB: NAVIGATION SOFTWARE UPDATE - NO SIRIUS TRAFFIC DISPLAY - This bulletin provides the procedure for updating the Navigation software on some Sportage (SL), Cadenza (VG), Optima (QF/TF), and Optima (TF HEV) vehicles, which may experience an inactive (grayed out) Sirius Traffic icon, no traffic flow shown, or a ?There is no traffic on route.? message.
TSB ELE100_SA2222017-02-16. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM. THIS BULLETIN PROVIDES THE PROCEDURE FOR UPGRADING THE UVO SYSTEM ON SOME 2014 MY SOUL (PS), SORENTO (XMA), OPTIMA (TF/QF), FORTE (YD) AND SPORTAGE (SL) VEHICLES TO IMPROVE BLUETOOTH CONNECTIVITY, VOICE RECOGNITION, AND TO IMPROVE "INCOMING RING VOLUME TOO LOUD" COMPLAINTS ON CERTAIN SMARTPHONES (NON-IPHONE).
TSB CHA0672017-02-16. Service bulletin. SERVICE BRAKES, ELECTRIC; ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. THIS BULLETIN PROVIDES INFORMATION RELATED TO AN IBAU (INTEGRATED BRAKE ACTUATION UNIT) SOFTWARE UPGRADE FOR SOME 2014-2016 MY OPTIMA HYBRID (TF HEV) VEHICLES, PRODUCED FROM DECEMBER 2, 2013 THROUGH JULY 22, 2015, WHICH MAY EXHIBIT A MALFUNCTION INDICATOR LIGHT (MIL) ON WITH DTC C1356 AND NO DRIVABILITY CONCERNS. TO RESOLVE THE CONCERN, REPROGRAM THE IBAU USING THE GDS/KDS DOWNLOAD, AS DESCRIBED IN THIS BULLETIN.

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