Kia Optima 2016 — technical service bulletin
Bulletin TSBENG168R1 · NHTSA communication 10116119 · issued Jun 9, 2017
Technical service bulletin
communication type
Service Brakes, Air
component
2016
model years
1
vehicle entries
Official summary
TSB: COMBINATION TSB / SERVICE ACTION: IDLE STABILITY & SHIFT QUALITY IMPROVEMENT (SA294A) - This bulletin provides the procedure to improve the logic of the Electronic Control Unit (ECU) and the Transmission Control Unit (TCU) on some 2016MY Optima (JFa) vehicles, produced from September 3, 2015 through October 6, 2016, which may experience a vibration and/or hesitation when releasing the brake pedal after coming to stop, and/or a shift quality concern, such as a harsh downshift, upshift, and/or shift delay. To correct this concern, apply the improved logic to the ECU and TCU using KDS downlo
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.