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Service bulletins for the 2015 Kia Sorento

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.

202 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
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.
VPI1802_TSB_R52019-02-19. Service bulletin. ELECTRICAL SYSTEM. PRODUCT IMPROVEMENT CAMPAIGN - 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.
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
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_TSB2018-08-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN; ENGINE. TSB - This document is the Technical Service Bulletin 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_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_OWNER_SO2018-08-06. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM:SOFTWARE; ENGINE. OWNER NOTICE - This document is the Owner Notice 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).
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.
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-FUE0332017-08-02. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM; FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:FILLING/CHARGING. TSB: FILL LEVEL LIMIT VALVE REPLACEMENT - This bulletin provides information related to the fill level limit valve (FLLV) replacement on some Sorento (XMa) vehicles, produced from December 17, 2012 to December 11, 2014, which may exhibit a Malfunction Indicator Light (MIL) illuminated in the Electronic Control Module (ECM) with system-related DTC: P0455. To correct this concern, follow the procedure outlined in this bulletin. Replacement of fuel tank is not necessary.
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.
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.
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.
PS235R12017-08-02. Service bulletin. ELECTRICAL SYSTEM:HORN; ELECTRICAL SYSTEM; LATCHES/LOCKS/LINKAGES:DOORS:LATCH. PITSTOP: HORN ANSWER BACK OR PARKING LAMPS INOP WHEN LOCKING DOORS WITH RKE/SMK FOB - When addressing a customer complaint related to an inoperative parking light confirmation flash, and/or audible answer back when locking the vehicle with the RKE/SMK fob, ensure each door lock position switch (viewable in BCM > Current Data) is displaying the appropriate status and the pad-lid switch (hood switch depressor) is in place on the hood.
TSB-GEN0672017-08-02. Service bulletin. ELECTRICAL SYSTEM. TSB: INFORMATION COLLECTION RELATED TO ELECTRICAL CONCERNS - To enhance communication of dealer findings regarding electrical concerns, a photo collection warranty time reimbursement program is being implemented.
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.

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