The contact owns a 2011 Ford Escape. The contact stated while driving 10-15 MPH the power steering function became inoperable. The contact pulled over and turned off and restarted the vehicle several times to regain power steering functionality. There were no warning lights illuminated. The contact stated that the failure was related to NHTSA Campaign Number: 14V284000 (Steering). The contact called the local dealer, but the vehicle was not diagnosed or repaired. The vehicle was taken to an independent mechanic who determined that the power steering assist sensor had failed and needed to be replaced. The manufacturer was contacted and confirmed there was no recall coverage on the VIN for the failure. The manufacturer referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 195,000.