The contact owned a 2015 Jeep Grand Cherokee. The contact stated that while her son was driving approximately 40-45 MPH, the electronic control warning light illuminated before the failure. The contact pulled over and turned off the vehicle; however, the vehicle independently restarted. The contact exited the vehicle shortly afterwards, and the vehicle suddenly caught on fire. The fire department extinguished the fire. The contact associated the failure with NHTSA Complaint Number: 20V699000 (Engine and Engine Cooling). The vehicle was towed to a tow lot. The manufacturer was contacted by email and phone and opened a claim. The claim was declined. The investigator had taken photos. The contact was informed that the mileage had been exceeded. The failure mileage was approximately 150,000.