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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: Electrical system are shown. Show all

Bulletins, newest first
VPI1802_TSB_R42019-02-19. Service bulletin. ELECTRICAL SYSTEM. PRODUCT IMPROVEMENT CAMPAIGN - This TSB 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
VPI1802_TSB_R32019-02-19. Service bulletin. ELECTRICAL SYSTEM. VEHICLE 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
TSBCHA0912018-12-17. Service bulletin. STEERING; ELECTRICAL SYSTEM. TSB: STEERING GEAR YOKE PLUG AND ASSEMBLY REPLACEMENT - This bulletin provides the procedure to replace the steering gear box yoke plug and assembly on some models listed below, which may exhibit a ticking noise while turning the steering wheel with the vehicle stopped. This condition is caused by a worn lining on the steering gear box yoke assembly. Follow the procedure outlined in this bulletin to replace the steering gear box yoke plug and assembly with updated parts.
TSBCHA0842018-12-17. Service bulletin. STEERING; ELECTRICAL SYSTEM. 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 mounted C-MDPS unit. Follow the procedure outlined in this bulletin.
PS5812018-12-17. Service bulletin. ELECTRICAL SYSTEM. PITSTOP: HYBRID HV BATTERY SOC GAUGE (PS581) - This Pitstop provides information regarding the State of Charge (SOC) gauge on all Kia Hybrid P/HEV) vehicles. Normal operation of the HEV SOC gauge is between 40-60%. This is to allow for regeneration and degeneration of the HEV battery.
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_OWNER_OP2018-09-10. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. PRODUCT IMPROVEMENT CAMPAIGN: Dear Kia Optima Owner: 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. 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?).
TSBTRA068_CLOSED2018-09-10. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. TSB: HCU/TCU LOGIC IMPROVEMENT FOR DTC P1744 (400 MESH EQUIPPED TRANSMISSIONS ONLY) - TSB TRA068 CLOSED. REFER TO TSB TRA079/SA351
TSBELE1512018-09-10. Service bulletin. ELECTRICAL SYSTEM. TSB: BMS LOGIC IMPROVEMENT AFTER HIGH VOLTAGE BATTERY REPLACEMENT - This bulletin provides the procedure to improve the logic of the Battery Management System (BMS) on some 2011-2016MY Optima Hybrid (TF HEV) vehicles, produced from February 15, 2011 through July 22, 2015, to match the new generation high voltage (HV) battery assemblies.
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.
TSBELE1472018-06-25. Service bulletin. ELECTRICAL SYSTEM. TSB - BMS LOGIC IMPROVEMENT FOR DTC P1B70 - This bulletin provides the procedure to improve the logic of the Battery Management System (BMS) on some 2011-2016MY Optima Hybrid (TF HEV) vehicles, produced from February 15, 2011 through July 22, 2015, which may experience a malfunction indicator light (MIL) illumination with DTC P1B70 even though there is no actual malfunction.
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.
TSBTRA0682017-11-14. Service bulletin. ELECTRICAL SYSTEM. TSB - HCU/TCU LOGIC IMPROVEMENT FOR DTC P1744 (400 MESH EQUIPPED TRANSMISSIONS ONLY) - This bulletin provides the procedure to improve the logic of the Hybrid Control Unit (HCU) on some 2011-2012MY Optima Hybrid (TF HEV), produced from February 15, 2011 through December 28, 2012, and both the Hybrid Control Unit (HCU) and the Transmission Control Unit (TCU) on some 2013-2015MY Optima Hybrid (TF HEV) vehicles, produced from January 15, 2013 through March 27, 2015, which may experience a malfunction indicator lamp illumination with DTC P1744. To correct this concern, apply the improved logic to the HCU only (11-12MY) or HCU and TCU (13-15MY) using the KDS ECU Upgrade function as described in this bulletin. For confirmation that the latest reflash has been applied to a vehicle you are working on, verify the ROM ID using the table on page 3 of this bulletin.
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).
PS5022017-08-25. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. PITSTOP: UNABLE TO CONNECT TO UVO ESERVICES - This Pitstop provides information about customer complaints regarding: * ?Unable to connect to UVO eServices using an iPhone?, * ?Connection Error and unable to sync with the UVO App with my iPhone 7?
PS4742017-08-25. Service bulletin. ELECTRICAL SYSTEM. PITSTOP: TPMS SENSOR POSITION - When diagnosing TPMS-related DTCs, make sure you are investigating the correct sensor. The TPMS positioning from the manufacturer may be different from the positioning shown on a KDS.
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-ELE129R12017-08-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. TSB: SERVICE ACTION: UVO SOFTWARE UPGRADE (SA277) - 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.
TSB-ELE128R12017-08-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. TSB: SERVICE ACTION: AUDIO SOFTWARE UPGRADE (SA276) - 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.
TSB-ELE0702017-08-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). TSB:SERVICE ACTION: NAVIGATION UNIT SOFTWARE UPGRADE (SA172) - This bulletin provides the procedure for upgrading the navigation system software of some Sedona (YP), Soul (PS) and Optima (QF) vehicles to resolve concerns related to no sound coming from the head unit after ending a Bluetooth call.
TSB-TRA0552017-08-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. TSB: INHIBITOR SWITCH DIAGNOSIS INFORMATION - This bulletin gives information regarding the steps to take regarding the diagnosis of the Inhibitor Switch.

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