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Service bulletins for the 2017 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.

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

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Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
TSB_TRA046_R52025-04-23. Service bulletin. POWER TRAIN. TECHNICAL SERVICE BULLETIN: TRANSMISSION FLUID APPLICATION GUIDE - 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 relating to the correct transmission fluid type and fill quantity requirement for each Kia model. A flush is required ONLY when a transmission is replaced, and the transmission oil cooler is transferred to the new transmission.
TSB_TRA046_R42024-06-04. Service bulletin. POWER TRAIN. This bulletin provides information relating to the correct transmission fluid type and fill quantity requirement for each Kia model. A flush is required ONLY when a transmission is replaced.
TSB_TRA072_R52023-12-05. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: INHIBITOR SWITCH REPLACEMENT (SA317B/C) - 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 to replace the inhibitor switch on some 2017MY Optima (JFa), Sorento (UMa), Optima Hybrid (HEV), Optima Plug-in Hybrid (PHEV), Sportage (QL), Forte (YD), and Sedona (YP), and some 2016-2017MY Optima (JF) vehicles, equipped with a front wheel drive 6-speed transmission, which may experience the concerns listed below. These concerns may be due to the inhibitor switch not allowing the correct gear position signal to be sent to various control units.
PS7502023-10-01. Service bulletin. POWER TRAIN; STEERING; SUSPENSION. PITSTOP: AWD SYSTEM CONCERN DUE TO TIRE CIRCUMFERENCE - This Pitstop provides information regarding potential concerns with the All-Wheel-Drive (AWD) system due to tire sizes of differing circumference. Some customers may complain of a chatter sensation felt in the drivetrain of the vehicle and/or the failure of drivetrain component(s). A difference in tire size (width, aspect ratio, construction, rim diameter etc.) may be the cause.
TSB_TRA072_R42023-07-05. Service bulletin. POWER TRAIN. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: INHIBITOR SWITCH REPLACEMENT (SA317B/C) - 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 to replace the inhibitor switch on some 2017MY Optima (JFa), Sorento (UMa), Optima Hybrid (HEV), Optima Plug-in Hybrid (PHEV), Sportage (QL), Forte (YD), and Sedona (YP), and some 2016-2017MY Optima (JF) vehicles, equipped with a front wheel drive 6-speed transmission, which may experience the concerns listed below. These concerns may be due to the inhibitor switch not allowing the correct gear position signal to be sent to various control units.
TSB_TRA072_R42023-07-05. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: INHIBITOR SWITCH REPLACEMENT (SA317B/C) - 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 to replace the inhibitor switch on some 2017MY Optima (JFa), Sorento (UMa), Optima Hybrid (HEV), Optima Plug-in Hybrid (PHEV), Sportage (QL), Forte (YD), and Sedona (YP), and some 2016-2017MY Optima (JF) vehicles, equipped with a front wheel drive 6-speed transmission, which may experience the concerns listed below. These concerns may be due to the inhibitor switch not allowing the correct gear position signal to be sent to various control units.
TSB_TRA046_R32022-12-06. Service bulletin. POWER TRAIN. TECHNICAL SERVICE BULLETIN: TRANSMISSION FLUID APPLICATION GUIDE - This bulletin provides information relating to the correct transmission fluid type and fill quantity requirement for each Kia model. A flush is required ONLY when a transmission is replaced, refer to applicable vehicles in the chart starting on page 2.
TSB_TRA046_R12020-05-05. Service bulletin. POWER TRAIN. TECHNICAL SERVICE BULLETIN: - TRANSMISSION FLUID APPLICATION GUIDE - This bulletin has been revised to include additional information. This bulletin provides information relating to the correct transmission fluid type and fill quantity requirement for each Kia model. A flush is required ONLY when a transmission is replaced, refer to applicable vehicles on page 2. Refer to the shop manual on KGIS for the specific Kia model for the correct transmission fluid check/fill procedures.
TSB_TRA072_R32020-02-04. Service bulletin. POWER TRAIN. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: INHIBITOR SWITCH REPLACEMENT (SA317B/C) - This bulletin has been revised to include additional information. This bulletin provides the procedure to replace the inhibitor switch on some 2017MY Optima (JFa), Sorento (UMa), Optima Hybrid (HEV), Optima Plug-in Hybrid (PHEV), Sportage (QL), Forte (YD), and Sedona (YP), and some 2016-2017MY Optima (JF) vehicles, equipped with a front wheel drive 6-speed transmission, which may experience the concerns listed in this bulletin. These concerns may be due to the inhibitor switch not allowing the correct gear position signal to be sent to various control units.
TSBTRA0862019-12-09. Service bulletin. POWER TRAIN; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. TECHNICAL SERVICE BULLETIN - PARTIAL REPAIR OF 4WD COUPLING - This bulletin provides the procedure information regarding the partial repair of the Four Wheel Drive (4WD) Coupling Assembly, Pressure Sensor, Actuator Motor or 4WD harness on some 2011-2020 Sportage (SL, QL) and 2013-2020MY Sorento (XMa, UMa) 4WD vehicles for a concern regarding: • Oil leakage from the 4WD coupling assembly • 4WD Malfunction and MIL lamp ON with DTCs • Abnormal noise or vibration while driving
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.
TSBTRA072A_R22018-03-13. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM:STARTER ASSEMBLY. TSB - SERVICE ACTION: INHIBITOR SWITCH - REPLACEMENT (SA317A) - This bulletin has been revised to include additional information. - This bulletin provides the procedure to replace the inhibitor switch on some 2017MY Optima (JFa), Sorento (UMa), Optima Hybrid (HEV), Optima Plug-in Hybrid (PHEV), Sportage (QL), Forte (YD), and Sedona (YP), and some 2016-2017MY Optima (JF) vehicles, equipped with a front wheel drive 6-speed transmission, which may experience the following concerns: ? Malfunction Indicator Lamp (MIL) ON with DTC P0705 - Transmission Range Sensor (TRS) Circuit Malfunction (active or history) ? CAN-related DTCs (For both Hybrids: CAN DTC C2243); ? Intermittent no crank/no start ? Erratic or harsh shifting; ? EPB and Hold lights illuminated intermittently; ? ?Key OFF? indicated after placing the selector lever into the ?P? position and depressing the Start/Stop button.Note: When this condition occurs, the ?P? position is not indicated on the instrument cluster.
TSBTRA047_R22018-03-13. Service bulletin. POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT. TSB - DRIVESHAFT SERVICEABILITY - This bulletin has been revised most recently to include additional information. This bulletin provides information regarding axle shaft serviceability for Kia vehicles equipped with a six-speed automatic transmission.
TSBTRA072A_R12018-02-12. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:FLOOR SHIFT; ELECTRICAL SYSTEM:IGNITION:SWITCH; ELECTRICAL SYSTEM; ENGINE. TSB - SERVICE ACTION: INHIBITOR SWITCH REPLACEMENT (SA317A) - This bulletin provides the procedure to replace the inhibitor switch on some 2017MY Optima (JFa), Sorento (UMa), Optima Hybrid (HEV), Optima Plug-in Hybrid (PHEV), Sportage (QL), Forte (YD), and Sedona (YP) vehicles, equipped with a front wheel drive 6-speed transmission, which may experience the concerns listed below. These concerns may be due to the inhibitor switch not allowing the correct gear position signal to be sent to various control units.
TSB-TRA062R12017-08-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN. TSB: SERVICE ACTION: TCU UPGRADE ? DRIVING PERFORMANCE IMPROVEMENT (SA246) - This bulletin provides information related to the Transmission Control Unit (TCU) software upgrade for some 2017MY Sorento (UMa) 3.3L GDI vehicles produced from April 6, 2016 to October 20, 2016 for a logic improvement. To apply the improved logic, the TCU should be reprogrammed using the GDS/KDS download, as described in this bulletin.
TSB-TRA0632017-08-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); POWER TRAIN. TSB: SERVICE ACTION: TCU UPGRADE ? DRIVING PERFORMANCE IMPROVEMENT (SA250) - This bulletin provides information related to the Transmission Control Unit (TCU) software upgrade for some 2017MY Sorento (UMa) 2.4L GDI vehicles produced from April 7, 2016 to October 22, 2016 for a logic improvement. To apply the improved logic, the TCU should be reprogrammed using the GDS/KDS download, as described in this bulletin.
TSB-TRA0642017-08-02. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM:SOFTWARE. TSB: SERVICE ACTION: TCU UPGRADE ? DRIVING PERFORMANCE IMPROVEMENT (SA251) - This bulletin provides information related to the Transmission Control Unit (TCU) software upgrade for some 2017MY Sorento (UMa) 2.0T-GDI vehicles produced from April 7, 2016 to October 27, 2016 for a logic improvement. To apply the improved logic, the TCU should be reprogrammed using the GDS/KDS download, as described in this bulletin.
SC136OWNER2017-02-08. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. OWNER NOTIFICATION LETTER (SC136): DEAR KIA SORENTO OWNER: KIA MOTORS AMERICA, INC. IS CONDUCTING A VOLUNTARY EMISSIONS RECALL TO UPDATE THE SOFTWARE PROGRAMMING ON THE TRANSMISSION CONTROL UNIT (TCU) ON CERTAIN 2017 KIA SORENTO VEHICLES WITH 3.3L V6 ENGINE.
SC136DEALERPSM2017-02-08. Service bulletin. POWER TRAIN; ENGINE. DEALER PARTS & SERVICE MANAGER MEMO (SC136): ATTENTION: ALL DEALER PARTS AND SERVICE MANAGERS, KIA MOTORS AMERICA, INC. IS CONDUCTING AN EMISSIONS RECALL CAMPAIGN TO UPGRADE THE TRANSMISSION CONTROL UNIT (TCU) IN SIXTY (60) 2017 MY SORENTO VEHICLES EQUIPPED WITH THE 3.3L GDI V6 ENGINE, PRODUCED ON MAY 10, 2016. KIA HAS DETERMINED THAT THERE IS A TCU ROM ID MISMATCH WHICH MAY CAUSE THE VEHICLE TO RELEASE AIR POLLUTANTS WHICH EXCEED FEDERAL AND/OR CALIFORNIA EMISSIONS STANDARDS. NOTE: WITH THE EXCEPTION OF ONE VEHICLE CURRENTLY IN DEALER STOCK, THE REMAINING 59 VINS HAVE BEEN SOLD AS FLEET VEHICLES ASSIGNED TO VARIOUS RENTAL CAR COMPANIES, SOME OF WHICH WILL BE AUTHORIZED TO PERFORM THE SOFTWARE UPGRADE. THE LIST OF VINS CAN BE FOUND IN THE TECHNICAL SERVICE BULLETIN (TSB) SC136.
TSBSC1362017-02-08. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM:SOFTWARE. TSB: VOLUNTARY EMISSIONS RECALL: TCU UPGRADE - LAMBDA 3.3GDI 6AT TCU ROM ID MISMATCH (SC136) - THIS BULLETIN PROVIDES INFORMATION RELATED TO THE TRANSMISSION CONTROL UNIT (TCU) SOFTWARE UPGRADE FOR SIXTY (60) 2017MY SORENTO (UMA) VEHICLES PRODUCED ON MAY 10, 2016 TO ADDRESS ROM ID MISMATCH. TO APPLY THE IMPROVED LOGIC, THE TCU SHOULD BE REPROGRAMMED USING THE GDS/KDS DOWNLOAD, AS DESCRIBED IN THIS BULLETIN. FOR CONFIRMATION THAT THE LATEST REFLASH HAS BEEN APPLIED TO A VEHICLE YOU ARE WORKING ON, VERIFY ROM ID USING THE TABLES IN THIS TSB. BEFORE CONDUCTING THE PROCEDURE, VERIFY THE VEHICLE IS INCLUDED IN THE LIST OF SIXTY (60) AFFECTED VINS (LISTED ON PAGE 8).

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