12v/24v/48v Battery Problems of Hyundai Sonata Hybrid

The contact owns a 2015 Hyundai Sonata Hybrid. The contact stated while driving approximately 60 - 65 mph, the battery warning light illuminated. The charging system failure message was displayed. The vehicle was taken to the local dealer where it was diagnosed and determined that the system needed to be reprogramed. The vehicle was repaired; however, the failure persisted. While driving at an undisclosed speed, the check engine warning light illuminated, and the vehicle stalled. The vehicle was taken to an unknown local dealer, but the vehicle was not diagnosed or repaired. The manufacturer was not contacted. The failure mileage was approximately 75,000.

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The contact owns a 2016 Hyundai Sonata Hybrid. The contact stated while his wife was driving approximately 75 mph, without warning the vehicle lost motive power. The contact’s wife was unable to pull over due to no shoulder. The contact was able to assist with blocking off the lane with his truck. The vehicle was towed to the residence and then towed to a dealer. The contact’s wife stated that the check engine and check coil warning lights were illuminated. The vehicle was towed to a dealer where it was diagnosed with needing the battery replaced. The vehicle was repaired. The vehicle was driven from the dealer however, while driving 75 mph, the failure recurred. The contact’s wife was able to drive the vehicle back to the residence. The contact’s wife stated that the master warning light was illuminated the vehicle was then towed to the same local dealer where it was diagnosed with needing the battery replaced a second time. The battery was replaced. The manufacturer was informed of the failure and the contact was awaiting a response. The failure mileage was approximately 61,236.

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The contact owns a 2015 Hyundai Sonata Hybrid. The contact stated while driving 20 mph, the vehicle loss motive power and the check charging system warning light illuminated before the vehicle stalled. The contact was able to coast and move the vehicle to the side of the roadway and waited for several minutes and restarted the vehicle. The contact continued to drive to his destination. The failure recurred several times. The local dealer was contacted and informed of the failure. The contact was informed that since the vehicle was experiencing the failure intermittently, the vehicle could not be diagnosed until the failure occurred and the vehicle was taken in with while the failure was happening. The vehicle was not diagnosed nor repaired. The manufacturer was made aware of the failure. The failure mileage was 29,000.