Car Problem Reports

Hyundai Genesis Coupe 3.8 Unwanted transmission downshifts

Hyundai Genesis Coupe 3.8 Problem
3 Reports
Me Too

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.

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