One problem related to computer failure 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.
Ecm computer failed. Nothing will work. Not only undrivable, it is unstartable! had to be towed from our driveway. (many systems on this car have failed previously!!) cannot get local dealer to repair it. No one seems to know what to do. Hyundais are a joke!!.