Kia Optima 2011–2018 — technical service bulletin
Bulletin TSBCHA060_R4 · NHTSA communication 10154663 · issued Feb 15, 2019
Technical service bulletin
communication type
Steering
component
2011–2018
model years
7
vehicle entries
Official 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 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.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.