The contact owns a 2012 Ford Explorer. The contact stated while driving 3 MPH, the power steering fault, the turn signal, advance-trac alert, and power train warning lights illuminated. The contact stated that the steering wheel became inoperable. The vehicle was taken to an independent mechanic who determined that the control modules were inoperable. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 237,000.