Hyundai Sonata owners have reported 1 problem related to propulsion system traction battery management system/energy control module (bms/becm) (under the electrical system category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Hyundai Sonata based on all problems reported for the Sonata.
The contact owns a 2015 Hyundai Sonata. The contact stated while driving 50 mph the vehicle shut down completely without any warning. The contact had the battery to the vehicle changed, but the vehicle would not start. The vehicle was towed to the dealer for diagnosis and stated that ecm needed to be replaced. The vehicle was not repaired. The manufacturer was contacted but no assistance was provided. The contact was unsure how many mileage the vehicle had at the time of the failure.
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