Hyundai Genesis Coupe 3.8 Problem Report

Hyundai Genesis Coupe 3.8 Unwanted transmission downshifts

(3 reports)

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.

Unexpected downshifting leading to gears being unusable to no transmission at all. -
the car will abruptly downshifts. -