The contact owns a 2015 Chevrolet Malibu. The contact stated while driving 15 MPH and approaching a stop, the vehicle stalled. The power steering warning light illuminated. The contact then veered to the left as the vehicle lost power. The vehicle was driven back to the residence where an independent mechanic diagnosed that the transmission control module had failed. The local dealer was not contacted. The vehicle was not repaired. The manufacturer was made aware of the failure and confirmed that the VIN was not under recall. The failure mileage was approximately 151,000.