Unwanted transmission downshifts on Hyundai Genesis Coupe
Problem overview
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.
4 people reported this problem
2 commentsHyundai Genesis Coupe vehicles with this problem
1 model year affected
Average mileage: 60,000 miles
(60,000 - 60,000)
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