Hyundai Genesis Coupe 3.8
Report: Unwanted transmission downshifts
Hyundai Genesis Coupe 3.8 Problem
Model Year Affected: 2010
When the shift lever is in D3 and sport mode is selected the transmission may downshift unexpectedly when the throttle is depressed. Our technicians tell us there is a transmission control module (TCM) software update available to correct this concern.