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Service bulletins for the 2016 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.

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

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Only bulletins with component: Steering are shown. Show all

Bulletins, newest first
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.
WTY023_TSB2022-03-31. Service bulletin. ELECTRICAL SYSTEM; STEERING. TECHNICAL SERVICE BULLETIN: MDPS WARNING LAMP DIAGNOSTIC INSPECTION & SINGLE PARTS REPLACEMENT - This bulletin provides information regarding the diagnosis of Motor Driven Power Steering (MDPS), also known as Electronic Power Steering (EPS), and parts replacement associated with the ‘Warranty Extension Program’ (WTY023) on 2016-2017MY Optima (JF/JFa), 2017MY Optima HEV/PHEV (JF P/HEV), 2016-2017MY Sorento (UMa) vehicles produced in the ranges listed below. The affected vehicles may exhibit the MDPS (also known as EPS) warning lamp ‘ON’. The warranty coverage for repairs related to the MDPS unit due to illumination of the MDPS warning lamp has been extended to 15 years/150,000 miles, whichever comes first, starting from the date the vehicle was first put into service.
WTY023_REIMB_UMA2022-02-04. Service bulletin. STEERING. WARRANTY EXTENSION: REIMBURSEMENT FORM - This document is a Reimbursement Request form that was mailed with the customer letter advising them to submit the form if they had paid for repairs for this same matter prior to the warranty extension program launch.
WTY023_OWNR_UMA2022-02-04. Service bulletin. STEERING. WARRANTY EXTENSION: OWNER NOTIFICATION - This document is the notification to owners of the warranty extension program for WTY023. Kia is extending the New Vehicle Limited Warranty coverage for repairs related to the Motor Driven Power Steering (MDPS) unit, also known as Electronic Power Steering (EPS) unit, due to illumination of the EPS warning light for all 2016-2017 MY Sorento vehicles from 5 years/60,000 miles to 15 years/150,000 miles, whichever comes first,starting from the date the vehicle was first put into service.
WTY023_QA2022-02-04. Service bulletin. STEERING. WARRANTY EXTENSION: QUESTION AND ANSWER - This document is the Question and Answer Guide containing the most frequently asked questions regarding the warranty extension (WTY023). Kia America, Inc., is extending the New Vehicle Limited Warranty coverage for the Motor Driven Power Steering (MDPS) unit, also known as Electronic Power Steering (EPS) unit, from 5 years/60,000 miles to 15 years/150,000 miles, whichever comes first, starting from the date the vehicle was first put into service.
WTY023_DPSM2022-02-04. Service bulletin. STEERING. WARRANTY EXTENSION: DEALER PARTS AND SERVICE MANAGER MEMO - This document is the announcement to the dealer Parts and Service Managers of the warranty extension program for WTY023. Kia America, Inc., is extending the New Vehicle Limited Warranty coverage for the Motor Driven Power Steering (MDPS) unit, also known as Electronic Power Steering (EPS) unit, from 5 years/60,000 miles to 15 years/150,000 miles, whichever comes first, starting from the date the vehicle was first put into service.
WTY023_DP2022-02-04. Service bulletin. STEERING. WARRANTY EXTENSION: DEALER PRINCIPAL MEMO - This document is the announcement to the dealer principals of the warranty extension program for WTY023. Kia America, Inc., is extending the New Vehicle Limited Warranty coverage for the Motor Driven Power Steering (MDPS) unit, also known as Electronic Power Steering (EPS) unit, from 5 years/60,000 miles to 15 years/150,000 miles, whichever comes first, starting from the date the vehicle was first put into service.
WTY023_DPSM2022-01-20. Service bulletin. ELECTRICAL SYSTEM; STEERING:ELECTRIC POWER ASSIST SYSTEM. WARRANTY EXTENSION: DEALER PARTS AND SERVICE MANAGER MEMO - This document is the announcement to the dealer Parts and Service Managers of the warranty extension program for WTY023. Kia America, Inc., is extending the New Vehicle Limited Warranty coverage for the Motor Driven Power Steering (MDPS) unit, also known as Electronic Power Steering (EPS) unit, from 5 years/60,000 miles to 15 years/150,000 miles, whichever comes first, starting from the date the vehicle was first put into service. The power steering uses a motor to assist in steering the vehicle. If the engine is off or if the power steering system becomes inoperative, the vehicle may be steered, but it will require increased steering effort by the driver. This warranty extension is to address specific concerns with the functionality of the MDPS unit.
WTY023_DP2022-01-20. Service bulletin. STEERING:ELECTRIC POWER ASSIST SYSTEM; ELECTRICAL SYSTEM. WARRANTY EXTENSION: DEALER PRINCIPAL MEMO - This document is the announcement to the dealer principals of the warranty extension program for WTY023. Kia America, Inc., is extending the New Vehicle Limited Warranty coverage for the Motor Driven Power Steering (MDPS) unit, also known as Electronic Power Steering (EPS) unit, from 5 years/60,000 miles to 15 years/150,000 miles, whichever comes first, starting from the date the vehicle was first put into service. The power steering uses a motor to assist in steering the vehicle. If the engine is off or if the power steering system becomes inoperative, the vehicle may be steered, but it will require increased steering effort by the driver. This warranty extension is to address specific concerns with the functionality of the MDPS unit.
TSB_CHA084_R82021-10-22. Service bulletin. STEERING. TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR OF C-MDPS MOTOR, ECU, WORM GEAR AND/OR STEERING COLUMN HOUSING - 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 regarding the partial repair of the Motor Driven Power Steering (MDPS) Motor, Electronic Control Unit (ECU), Steering Column Housing, or Worm Gear Assembly. When the steering wheel is rotated a scraping noise can be heard originating from the lower bearing on the Worm Gear Assembly on some 2010MY~ Kia models listed on page 8, equipped with a Column Motor Driven Power Steering (C-MDPS) unit. On some vehicles when the steering wheel is rotated a scraping noise can be heard originating from the lower bearing on the Worm Gear Assembly and does not affect the steering effort.
TSB_CHA1062021-08-25. Service bulletin. EQUIPMENT; STEERING; EQUIPMENT ADAPTIVE/MOBILITY. TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR OF THE DUAL PINION MOTOR DRIVER POWER STEERING SYSTEM - This bulletin provides information regarding the availability of partial repair (depending on faulty components) of the Dual Pinion Motor Driven Power Steering (DP-MDPS) system on some 2016-2021MY~ Kia vehicles (refer to the table below) in order to enhance customer satisfaction by promoting a cost-effective repair/replacement of a faulty related part, instead of replacement of the complete DP-MDPS assembly.
TSB_CHA084_R72021-04-06. Service bulletin. STEERING. TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR OF C-MDPS MOTOR, ECU, WORM GEAR AND/OR STEERING COLUMN HOUSING - 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 regarding the partial repair of the Motor Driven Power Steering (MDPS) Motor, Electronic Control Unit (ECU), Steering Column Housing, or Worm Gear Assembly. When the steering wheel is rotated a scraping noise can be heard originating from the lower bearing on the Worm Gear Assembly on some 2010MY~ Kia models listed on page 8, equipped with a Column Motor Driven Power Steering (C-MDPS) unit.
TSB_CHA084_R62020-12-02. Service bulletin. ENGINE AND ENGINE COOLING; STEERING; ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR OF C-MDPS MOTOR, ECU, WORM GEAR AND/OR STEERING COLUMN HOUSING - 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 regarding the partial repair of the Motor Driven Power Steering (MDPS) Motor, Electronic Control Unit (ECU), Worm Gear Assembly or Steering Column Housing on some 2010MY~ Kia models listed on page 8, equipped with a Column Motor Driven Power Steering (C-MDPS) unit.
TSB_CHA084_R52020-12-02. Service bulletin. STEERING; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR OF C-MDPS MOTOR, ECU, WORM GEAR AND/OR STEERING COLUMN HOUSING - 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 regarding the partial repair of the Motor Driven Power Steering (MDPS) Motor, Electronic Control Unit (ECU), Worm Gear Assembly or Steering Column Housing on some 2010MY~ Kia models listed on page 8, equipped with a Column Motor Driven Power Steering (C-MDPS) unit.
TSB_CHA091_R22020-05-05. Service bulletin. STEERING. TECHNICAL SERVICE BULLETIN: STEERING GEAR YOKE PLUG AND ASSEMBLY REPLACEMENT - This bulletin has been revised to include additional information. 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.
TSB_CHA091_R12020-02-04. Service bulletin. STEERING. TECHNICAL SERVICE BULLETIN: STEERING GEAR YOKE PLUG AND ASSEMBLY REPLACEMENT - This bulletin has been revised to include additional information. 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.
TSBCHA084_R42019-12-09. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING; STEERING. TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR OF C-MDPS MOTOR, ECU AND/OR STEERING COLUMN HOUSING - This bulletin has been revised to include additional information.This bulletin provides information regarding the partial repair of the Motor Driven Power Steering (MDPS) Motor, Electronic Control Unit (ECU) or Steering Column Housing on some 2010MY~ Kia models listed on page 5 equipped with a Column Motor Driven Power Steering (C-MDPS) unit. Follow the MDPS Flowchart (page 2) along with the MDPS DTC Table (page 3) procedure outlined in this bulletin before replacing the C-MDPS Motor, ECU or Steering Column Housing.
TSBCHA084_R32019-11-07. Service bulletin. STEERING. TECHNICAL SERVICE BULLETIN TSB084_R3: PARTIAL REPAIR OF C-MDPS MOTOR, ECU AND/OR STEERING COLUMN HOUSING - This bulletin has been revised to include additional information.This bulletin provides information regarding the partial repair of the Motor Driven Power Steering (MDPS) Motor, Electronic Control Unit (ECU) or Steering Column Housing on some 2010MY~ Kia models listed on page 5 equipped with a Column Motor Driven Power Steering (C-MDPS) unit.
TSBCHA060_R52019-08-07. Service bulletin. STEERING: STEERING WHEEL/HANDLE BAR; STEERING. TSB: ECU UPGRADE - STEERING LOGIC IMPROVEMENT - This bulletin has been revised to include additional information. This bulletin provides information related to the MDPS ECU software upgrade for some 2012-2014MY Optima (QF), produced from August 2, 2010 through July 27, 2014, and 2016-2018MY Sorento (UMa) vehicles, produced from October 27, 2014 through August 22, 2017, which may experience a notchy feel in the steering wheel. To correct this condition, the vehicle should be evaluated using the MDPS Effort Measurement Software detailed in the repair procedure starting on page 2 to determine whether an improved steering logic should be installed in the MDPS ECU, or if the Steering Column and Housing Assembly replacement is required.
TSBCHA084_R22019-07-04. Service bulletin. STEERING; STEERING:COLUMN. TSB: REPLACEMENT OF C-MDPS MOTOR, ECU AND/OR STEERING COLUMN HOUSING - This bulletin has been revised to include additional information. This bulletin provides information regarding the partial repair of the Motor Driven Power Steering (MDPS) Motor, Electronic Control Unit (ECU) or Steering Column Housing on the Kia models listed on the chart below with a column mounted C-MDPS unit.
TSBCHA060_R42019-03-18. Service bulletin. STEERING. TSB: ECU UPGRADE ? STEERING LOGIC IMPROVEMENT -This bulletin has been revised to include additional information. This bulletin provides information related to the MDPS ECU software upgrade for some 2011-2014MY Optima (QF), produced from August 2, 2010 through July 27, 2014, and 2016-2018MY Sorento (UMa) vehicles, produced from October 27, 2014 through August 22, 2017, which may experience a notchy feel in the steering wheel.
TSBCHA084_R12019-02-19. Service bulletin. STEERING. TSB: REPLACEMENT OF C-MDPS MOTOR AND/OR ECU - This bulletin has been revised to include additional information. 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.
TSBCHA060_R32019-02-19. Service bulletin. STEERING. TSB: ECU UPGRADE ? STEERING LOGIC IMPROVEMENT - This bulletin has been revised to include additional information. This bulletin provides information related to the MDPS ECU software upgrade for some 2011-2014MY Optima (QF), produced from August 2, 2010 through July 27, 2014, and 2016-2018MY Sorento (UMa) vehicles, produced from October 27, 2014 through August 22, 2017, which may experience a notchy feel in the steering wheel.
TSBCHA060_R22019-02-19. Service bulletin. STEERING. TSB - ECU UPGRADE ? STEERING LOGIC IMPROVEMENT -This bulletin has been revised to include additional information. This bulletin provides information related to the MDPS ECU software upgrade for some 2011-2014MY Optima (QF), produced from August 2, 2010 through July 27, 2014, and 2016-2018MY Sorento (UMa) vehicles, produced from October 27, 2014 through August 22, 2017, which may experience a notchy feel in the steering wheel. To correct this condition, the vehicle should be evaluated using the MDPS Effort Measurement Software detailed in the repair procedure starting on page 2 to determine whether an improved steering logic should be installed in the MDPS ECU, or if an MDPS column replacement is required. To determine whether the updated MDPS ECU reflash applies to a vehicle you are working on, or whether it has already been performed, verify ROM ID using the tables in this TSB.
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.

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