One problem related to automatic transmission control module has been reported for the 2010 Hyundai Genesis. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2010 Hyundai Genesis based on all problems reported for the 2010 Genesis.
The contact owns a 2010 Hyundai Genesis coupe. The contact stated that while driving at various speeds, the vehicle erroneously downshifted and dramatically reduced vehicle speed. The vehicle was taken to a private mechanic where it was found that the transmission control module had failed. The vehicle was not repaired. The manufacturer was contacted about the failure and informed the contact that the vehicle was not included in the manufacturer's recall. The failure mileage was 56,000. The VIN was not available.