Genesis Coupe 3.8

Unwanted transmission downshifts on Hyundai Genesis Coupe 3.8

Problem Description and Possible Solution

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.

Problem Data
RepairPal Verified
Average mileage: 60,000 (60,000–60,000)
1 model year affected: 2010
4 people reported this problem
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