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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: Steering are shown. Show all

Bulletins, newest first
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_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.
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.
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.
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.
PS3432017-08-02. Service bulletin. STEERING. PITSTOP: OILY SUBSTANCE DRIPPING FROM MDPS STEERING COLUMN - On some Optima (QF/TF/TF HEV) vehicles, the customer may complain of an oily substance dripping onto the driver?s side floorboard area, especially in areas with high ambient temperatures. This article provides the process to resolve by cleaning excessive amounts of grease applied applied to the steering column tilt adjustment area.
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.

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