One problem related to transmission noise has been reported for the 2011 Hyundai Sonata. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2011 Hyundai Sonata based on all problems reported for the 2011 Sonata.
The contact owns a 2011 Hyundai Sonata. The contact stated that the transmission caused the vehicle to jerk and exhibit a loud banging noise when driving various speeds. The dealer performed a diagnostic and stated that the transmission needed to be replaced. The manufacturer was contacted and advised that the transmission could be replaced under warranty with a refurbish transmission. The transmission was not replaced. The failure and current mileage was 41,500.