The contact owns a 2016 Jeep Grand Cherokee. The contact stated that while driving at 30 MPH, he smelled smoke emanating from the rear passenger seat. After a visual inspection, he observed a fire. The local fire department was able to extinguish the fire. A police and fire report was filed, but no injuries were reported. The contact stated he sustained a nondescript fire-related injury to his right leg but did not seek medical attention. The check engine warning light was illuminated. The vehicle was towed to an independent mechanic, who determined an electrical software system wiring fault. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was unknown.