Service bulletin TSB-CHA-060

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
Type	Service bulletin
NHTSA id	10080087
Published by NHTSA	2016-09-14
Manufacturer's number	TSB-CHA-060
Manufacturer's date	2016-01-20
NHTSA component	EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:SOFTWARE; STEERING: STEERING WHEEL/HANDLE BAR

NHTSA's summary

TSB: ECM UPGRADE - STEERING LOGIC IMPROVEMENT - THIS BULLETIN PROVIDES INFORMATION RELATED TO THE MDPS ECU SOFTWARE UPGRADE FOR SOME 2011 ~ 2014MY OPTIMA (TF/QF) VEHICLES, PRODUCED FROM JOB #1 THROUGH JULY 27, 2014, WHICH MAY EXPERIENCE A NOTCHY FEEL IN THE STEERING WHEEL. TO CORRECT THIS CONDITION, THE VEHICLE SHOULD BE EVALUATED USING THE MDPS EFFORT MEASUREMENT S/W, DETAILED IN THE ATTACHED REPAIR PROCEDURE, 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.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Electrical system, Equipment and accessories, Labels and manuals, Steering, Software, Steering column and wheel

Vehicles listed
KIA OPTIMA	2011, 2012, 2013, 2014

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
PI1803_TSB_R6	2021-08-02. Service bulletin. TECHNICAL SERVICE BULLETIN - PRODUCT IMPROVEMENT CAMPAIGN PI1803_TSB_R6: KNOCK SENSOR DETECTION SYSTEM - ECU - LOGIC IMPROVEMENT (PI1803) - 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.
TSB_TRA059	2020-12-04. Service bulletin. TECHNICAL SERVICE BULLETIN: HCU/TCU UPGRADE - FOR 100 MESH SOLENOID EQUIPPED HYBRID TRANSMISSIONS -This bulletin provides information related to a software upgrade of the Hybrid Control Unit (HCU) and the Transmission Control Unit (TCU) of some 2011-2016 MY Optima Hybrid (TF HEV) vehicles after replacement of the transmission with improved 100 mesh solonoid filters has taken place. To apply the improved logic, the HCU/TCU should be reprogrammed using the GDS/KDS download, as described in this bulletin.
PI1802_TSB_R8	2019-12-09. Service bulletin. TSB - 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.
TSBCHA060_R5	2019-08-07. Service bulletin. 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_R2	2019-07-04. Service bulletin. 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.
TSB_PI1803_R2	2019-06-04. Service bulletin. PRODUCT IMPROVEMENT CAMPAIGN - KNOCK SENSOR DETECTION SYSTEM - ECU LOGIC IMPROVEMENT (PI1803) - 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.
PI1803_OWN#2_OPT	2019-04-30. Service bulletin. OWNER LETTER: Dear Kia Optima Owner: Kia Motors America, Inc. is conducting an important Product Improvement Campaign to perform a software update on all 2011-2013 MY Optima vehicles equipped with 2.4L Gasoline Direct Injection ("GDI") and 2.0L Turbocharged GDI ("T-GDI") engines, and some 2014 MY Optima vehicles equipped with 2.4L GDI and 2.0L T-GDI engines to protect the engine from excessive connecting rod bearing damage. The update will be done free of charge and will only involve the addition of newly developed computer software for the Engine Control Unit ("ECU").
PI1802WX_TSB_R5	2019-04-30. Service bulletin. 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.
PI1802WX_TSB_R4	2019-04-30. Service bulletin. 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.
VPI1803_DP	2018-11-13. Service bulletin. PRODUCT IMPROVEMENT CAMPAIGN (PI1803) - DEALER PRINCIPAL LETTER - Attention: All Kia Dealer Principals, Kia is conducting a Product Improvement Campaign to perform a software update to the Engine Control Unit (ECU) to protect the engine from excessive connecting rod bearing damage.