The contact owns a 2014 Kia Soul. The contact stated while driving approximately 30 MPH, the ESC warning light illuminated and turned off and on. The contact was concerned that the vehicle might catch on fire while parked or while driving. The contact stated that the failure was related to NHTSA Campaign Number: 23V652000 (Service Brakes, Hydraulic). The vehicle was taken to the local dealer, where it was diagnosed that the hydraulic electronic control unit needed to be replaced. The part was ordered, but the vehicle was not yet repaired. The manufacturer was not contacted. The failure mileage was approximately 96,806.