2014 Kia Optima Traction Control Problems

The contact owns a 2014 Kia Optima. The contact stated that the vehicle was taken to the dealer for an unknown recall repair which included a system update and while driving 45 MPH after the recall repair, the vehicle experienced inadvertent braking, without another vehicle nearby. The contact coasted the vehicle until the vehicle regained normal acceleration functionality. The contact stated that the Forward Collision Avoidance, Traction Control, ABS, and Blind Spot Detection system's warning lights were illuminated. The vehicle was taken to the dealer and the mechanic linked the failure to the recall repair. The vehicle was not repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 64,000