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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
TSB-CLI017R42017-08-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:APPLIANCE:AIR CONDITIONER. TSB: EV AND HYBRID A/C SYSTEM SERVICING REQUIREMENTS - The Soul Electric Vehicle (EV) and the Optima Hybrid use an A/C compressor that is driven by a high-voltage electric motor rather than by a belt. Both the motor and compressor are in one housing with a mix of refrigerant and oil flowing through both sections. Because the oil flows through the motor windings, it must have a high electrical resistivity (low conductivity).
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.
PS3392017-08-02. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY. PITSTOP: REMOTE START SYSTEM DIAGNOSTIC HOTLINE - When diagnosing remote start systems, refer to the table shown in this article for detailed information on applicable models, model year and system supplier; along with the applicable Hotline contact information and business hours.
PS3382017-08-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:APPLIANCE:AIR CONDITIONER. PITSTOP: HEATER BLOWING COLD AIR WHILE IN EV MODE - When diagnosing a concern related to the heater intermittently blowing cold air while in EV mode, check the Electric Water Pump (EWP) for the A/C system (NOT the main cooling system EWP), located on the rear of the transmission (A), for proper operation. To test EWP operation, disconnect connector CHG31/C131 (B) and apply power and ground to the EWP.
PS3302017-08-02. Service bulletin. ELECTRICAL SYSTEM. PITSTOP: AVN 4.0 UVO eServices DEALER ENGINEERING MODE - When troubleshooting an AVN 4.0 head-unit, follow the procedure outlined below to access the Dealer Engineering mode and perform various eServices related maintenance functions.
PS3282017-08-02. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE; ENGINE. PITSTOP: HESITATION IN ELECTRIC AND GAS MODES - When diagnosing an Optima Hybrid with an off idle hesitation concern that can be duplicated, and no DTC(s) codes (active or history) are stored, access MCU > Current Data to check the status of the MCU warning flag.
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-ELE044R12017-08-02. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. TSB: HIGH-VOLTAGE BATTERY ORDERING AND RETURN PROCEDURE - 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). Every Kia-approved EV/hybrid dealership?s parts and service departments should follow these procedures to ensure the fastest handling time and to minimize the possibility of charge-backs.
PS3162017-08-02. Service bulletin. ELECTRICAL SYSTEM. PIT STOP: ?HYBRID SYSTEM WARNING!? MESSAGE IN CLUSTER AND MIL-ON WITH DTC P1784 - When diagnosing an Optima Hybrid with a ?Hybrid System Warning!? message (A) in the cluster, the malfunction indicator lamp (MIL) on and DTC P1784 (EOP 3-Phase Wiring Line Open), in either active or in history, check for contact between the Electric Oil Pump (EOP) harness and the oil cooler hose clamp (B). If the harness is visibly damaged from contact (C), repair or replace as needed.
TSBELE0892017-02-17. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). TSB: NAVIGATION HEAD UNIT SD CARD REPLACEMENT - THIS BULLETIN DESCRIBES THE SD CARD EXCHANGE/REPLACEMENT PROCEDURE RELATED TO ERROR MESSAGES THAT MAY BE DISPLAYED ON THE NAVIGATION SCREEN WHEN THE INCORRECT SD CARD IS INSERTED. NOTE: ONLY NEW MODELS (DURING PDI INSPECTION OR AT THE POINT OF PURCHASE) OR COMPATIBILITY MISMATCHES THAT OCCUR AFTER HEAD UNIT REPLACEMENT WILL BE CONSIDERED FOR THIS PROGRAM.
PS3872017-02-17. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). PITSTOP: NAVIGATION HEADUNIT AND SD CARD COMPATIBILITY - THIS ARTICLE PROVIDES INFORMATION IN REGARDS TO POSSIBLE COMPATIBILITY ISSUES BETWEEN NAVIGATION HEAD UNITS AND SD CARDS WHEN REPLACING HEAD UNITS FOR MULTIMEDIA ISSUES. IF AFTER REPLACING A NAVIGATION HEAD UNIT THE ORIGINAL SD CARD DOES NOT OPERATE CORRECTLY, FOLLOW THE STEPS BELOW TO DIAGNOSE THE ISSUE:
PS365R12017-02-17. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. PITSTOP: BLUETOOTH® ISSUES AFTER IPHONE® IOS 8 SOFTWARE UPDATE - THIS ARTICLE PROVIDES INFORMATION RELATED TO POSSIBLE BLUETOOTH CONCERNS WHEN USING AN IPHONE® WITH IOS 8.X (IOS 8, 8.0.1, 8.0.2, 8.1, 8.1.2, 8.1.3, ETC.) WHILE PAIRED TO A HEAD UNIT.
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.
PS4642017-02-08. Service bulletin. LANE DEPARTURE: BLIND SPOT DETECTION; ELECTRICAL SYSTEM. PITSTOP: NO COMMUNICATION WITH BLIND SPOT DETECTION AFTER COLLISION REPAIRS - THIS PITSTOP PROVIDES INFORMATION RELATING TO 2014-2015MY OPTIMA (QF) VEHICLES WITH BLIND SPOT DETECTION (BSD), WHICH MAY EXHIBIT A “CHECK BSD SYSTEM” MESSAGE AND NO COMMUNICATION WITH THE BSD SYSTEM AFTER COLLISION REPAIRS. THIS CONCERN IS COMMONLY CAUSED BY THE REAR BUMPER HARNESS INSTALLED BACKWARDS.
PS4652017-02-08. Service bulletin. EQUIPMENT; LANE DEPARTURE: BLIND SPOT DETECTION; ELECTRICAL SYSTEM. PITSTOP: RECALIBRATION OF BLIND SPOT DETECTION AFTER COLLISION REPAIRS - THIS PITSTOP PROVIDES INFORMATION RELATING TO SOME VEHICLES EQUIPPED WITH BLIND SPOT DETECTION (BSD), WHICH MAY EXHIBIT A “CHECK BSD SYSTEM” MESSAGE WITH DTCS: C270254 AND C270354: C270254: CONTROL MODULE MASTER MISSING CALIBRATION / C270354: CONTROL MODULE SLAVE MISSING CALIBRATION
TSBCHA0562017-01-31. Service bulletin. STEERING; ELECTRICAL SYSTEM:SOFTWARE. TSB: SERVICE ACTION: STEERING FEEL IMPROVEMENT (SA188) - THIS BULLETIN PROVIDES INFORMATION RELATED TO AN UPGRADE OF THE LOGIC FOR THE MOTOR DRIVEN POWER STEERING (MPDS) ECU OF SOME 2014~2015MY OPTIMA (QF) VEHICLES, PRODUCED FROM AUGUST 23, 2013 THROUGH JULY 24, 2014, TO ADDRESS SOME COMPLAINTS THAT THE STEERING PULLS TO ONE SIDE. TO INSTALL THE NEW STEERING LOGIC, REPROGRAM THE MDPS SYSTEM USING THE GDS/KDS DOWNLOAD, AS DESCRIBED IN THIS BULLETIN. FOR CONFIRMATION THAT THE LATEST REFLASH HAS BEEN DONE TO A VEHICLE YOU ARE WORKING ON, VERIFY ROM ID USING THE TABLES IN THIS TSB.
TT0672017-01-30. Service bulletin. ELECTRICAL SYSTEM. "TECH TIP: DTC P1A89 - DC/DC CONVERTER CURRENT SENSOR FAULT SYMPTOM: DTC - MIL – P1A89 DC/DC CONVERTER CURRENT SENSOR FAULT AND ILLUMINATED BATTERY CHARGING SYSTEM WARNING LAMP IN THE CLUSTER. REPAIR: USE GDS/KDS TO CHECK THE LDC OUTPUT CURRENT UNDER LDC > CURRENT DATA (SEE IMAGE). IF THE OUTPUT IS ZERO AMPS, THIS MAY INDICATE AN INTERNAL FAILURE OF THE LDC MODULE INSIDE THE HYBRID POWER CONTROL UNIT (HPCU). REPLACEMENT OF THE HPCU WILL BE NECESSARY."
TT0662017-01-30. Service bulletin. ELECTRICAL SYSTEM; VEHICLE SPEED CONTROL. "TECH TIP: DTC C1203 OR C1212 - SPEED SENSOR FAILURE SYMPTOM: C1203 – RH FRONT WHEEL SPEED SENSOR OPEN/SHORT AND/OR C1212 – VEHICLE SPEED SENSOR FAILURE. REPAIR: CHECK FOR A SHORT IN THE MAIN ESC HARNESS NEAR THE RADIATOR BRACKET. VERIFY POSSIBLE RUBBING BETWEEN THE BRACKET THAT RUNS UNDER THE HEADLIGHT TO THE RADIATOR AND THE HARNESS (SEE IMAGE). REPAIR THE DAMAGED WIRES AND ADD INSULATION TO THE BRACKET TO PREVENT ANY FURTHER DAMAGE TO THE HARNESS. CLEAR ANY DTCS (IN ACTIVE OR HISTORY). "
PS4022017-01-30. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. "PITSTOP: UVO ESERVICES W/PREMIUM NAVIGATION (AVN 4.0) FUNCTIONALITY AND REQUIRED USE OF USB CABLE - FOR CUSTOMER COMPLAINTS ON AVN 4.0 (UVO ESERVICES W/PREMIUM NAVIGATION HEAD UNIT) EQUIPPED VEHICLES REGARDING THE FOLLOWING CONCERNS: H UNABLE TO ACTIVATE ESERVICES OR UNABLE TO SEND DATA FROM HEAD UNIT H MESSAGE ¡§THE CONNECTED DEVICE DOES NOT SUPPORT UVO ESERVICES FEATURES¡¨ DISPLAYING ON THE HEAD UNIT SCREEN. H OR ,IN SOME CASES, AFTER RECENTLY APPLYING TSB ELE 066 TO THE 2014MY SOUL (PS) TO ADD ESERVICES FUNCTIONALITY. "
TSBELE0852017-01-30. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM. TSB: UVO SOFTWARE UPGRADE – MEDIA BUTTON INOPERATIVE - THIS BULLETIN PROVIDES THE PROCEDURE FOR UPGRADING THE UVO SYSTEM OF SOME 2014~2015MY SPORTAGE (SL), FORTE (YD), OPTIMA (TF/QF), OPTIMA HYBRID (TF HEV) AND SORENTO (XMA) VEHICLES, WHICH MAY EXHIBIT AN INOPERATIVE UVO MEDIA BUTTON.
PS373R12017-01-27. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM. PITSTOP: MODE SWITCHES FROM SIRIUSXM® OR FM TO AM - THIS PITSTOP PROVIDES INFORMATION TO ADDRESS POSSIBLE CUSTOMER COMPLAINTS ON AVN 4.0 (NAVIGATION HEAD UNIT) RELATING TO: * MODE SWITCHES TO AM (USUALLY FROM SIRIUSXM® , FM, CD, OTHER MEDIA MODE OR FROM NAVIGATION) AFTER STARTUP. * “PREPARING SIRIUS” IS SHOWN ON THE DISPLAY PRIOR TO THE UNIT SWITCHING TO AM. * ISSUE BEGAN AT THE START OF THE NEW YEAR (AFTER JANUARY 1ST, 2015).
TSBELE0892017-01-27. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). TSB: NAVIGATION HEAD UNIT SD CARD REPLACEMENT - THIS BULLETIN DESCRIBES THE SD CARD EXCHANGE/REPLACEMENT PROCEDURE RELATED TO ERROR MESSAGES THAT MAY BE DISPLAYED ON THE NAVIGATION SCREEN WHEN THE INCORRECT SD CARD IS INSERTED. NOTE: ONLY NEW MODELS (DURING PDI INSPECTION OR AT THE POINT OF PURCHASE) OR COMPATIBILITY MISMATCHES THAT OCCUR AFTER HEAD UNIT REPLACEMENT WILL BE CONSIDERED FOR THIS PROGRAM.
TSBENG1472017-01-26. Service bulletin. ENGINE; ELECTRICAL SYSTEM:SOFTWARE. TSB: DATA COLLECTION: EXTRACT CALIFORNIA EMISSIONS DATA FROM ECU (DC1501) - 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. TO FACILITATE COLLECTION OF THIS DATA AT THE DEALER LEVEL, GDS/KDS SCREENSHOTS WILL ALLOW THE CAPTURE OF RELEVANT PARAMETERS.
TSBELE0902017-01-26. Service bulletin. ELECTRICAL SYSTEM. TSB: “C” STATE ERROR MESSAGE ON VERSION 8.5 MAP UPDATE - THIS BULLETIN DESCRIBES AN SD CARD REPLACEMENT PROCEDURE FOR CUSTOMERS THAT HAVE A SPECIFIC ERROR DISPLAYED ON THE NAVIGATION HEAD UNIT (SHOWN BELOW) AFTER PURCHASING AND INSTALLING A VERSION 8.5 MAP UPDATE SD CARD. A TOTAL OF 129 AFFECTED SD CARDS WERE PURCHASED BY CUSTOMERS THROUGH KIA DEALERS, FROM JANUARY 1ST TO MAY 11TH, 2015.
TSBCHA0672017-01-25. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM. TSB: ECU UPGRADE – MIL ON WITH DTC C1356 - THIS BULLETIN PROVIDES INFORMATION RELATED TO AN IBAU (INTEGRATED BRAKE ACTUATION UNIT) SOFTWARE UPGRADE FOR SOME 2014~2016MY 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. FOR CONFIRMATION THAT THE LATEST REFLASH HAS BEEN PERFORMED, VERIFY ROM ID USING THE TABLES IN THIS TSB.

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