Three problems related to wiring have been reported for the 2015 Hyundai Sonata. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2015 Hyundai Sonata based on all problems reported for the 2015 Sonata.
I believe my vehicle may have a faulty headlight/signaling switch. Whenever I am driving it will randomly switch between the modes of drl, headlights or just off completely. Another issue I have more often then not is when I am trying to signal the blinkers will not turn on at all, and when they do its about 30sec to a minute after I initially moved the switch myself. All this happens while the car is in motion, lastly their have been three occasions where I have turned my car off completely and then came back hours later to find that the drl lights had turned on on their own, 1 out of the 3 times so far this issue has drained my battery. I feel like this might be a issue with the wiring inside the switch.
While driving the vehicle, the air conditioning stopped working. I took it to the dealership and they told me that the blower relay had melted to the box it was in. As such, he was going to have to replace the entire wiring harness. He also indicated that had I not brought it in, the vehicle could catch fire while driving. I told him this is a safety issue and Hyundai should take care of the bill. Hyundai said no and the bill is going to be $5,000.
The contact owns a 2015 Hyundai Sonata. While driving various speeds, the steering wheel seized and excessive force was required to steer the vehicle. The power steering warning indicator illuminated intermittently. The vehicle was taken to the dealer where it was diagnosed that water splashed into the wiring system. The wiring system needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. The VIN was not included in NHTSA campaign number: 14v325000 (electrical system, steering). The failure mileage was approximately 26,000.