Affected Component: STEERING: STEERING WHEEL/HANDLE BAR

Date Published
FEB 23, 2018
NHTSA TSB #
10130099
TSB Document
Summary
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.