# Service bulletin TSBCHA060\_R5

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.

- Type: Service bulletin
- NHTSA id: 10163445
- Published by NHTSA: 2019\-08\-07
- Manufacturer's number: TSBCHA060\_R5
- Manufacturer's date: 2019\-07\-05
- NHTSA component: STEERING: STEERING WHEEL/HANDLE BAR; STEERING

## NHTSA's summary

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.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10163445-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10163445-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Steering, Steering column and wheel

## Vehicles listed

- 2011 to 2014 KIA OPTIMA
- 2016 to 2018 KIA SORENTO

## Recalls for the same vehicles and component

- [18V656000](/recalls/nhtsa/18V656000.md), 2018-09-21: STEERING:ELECTRIC POWER ASSIST SYSTEM; STEERING:COLUMN

## Other bulletins for the same vehicles and component

- [TSBCHA084\_R2](/bulletins/10162044.md), 2019-07-04, 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\_R1](/bulletins/10130099.md), 2018-03-13, Service bulletin: STEERING: STEERING WHEEL/HANDLE BAR; STEERING. TSB \- ECM 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 \(TF/QF\) vehicles, produced from Job \#1 through July 27, 2014, which may experience a notchy feel in the steering wheel.
- [TSB\-CHA\-060](/bulletins/10080087.md), 2016-09-14, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:SOFTWARE; STEERING: STEERING WHEEL/HANDLE BAR. 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.
- [TSB\-031](/bulletins/10037660.md), 2011-06-02, Service bulletin: STEERING: STEERING WHEEL/HANDLE BAR. KIA: PROCEDURE TO ADJUST THE FRONT TOE SETTINGS ON AN OFF\-CENTER STEERING WHEEL. \*RM

JSON: [/v1/bulletins/10163445](/v1/bulletins/10163445)

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