Power Steering Light On problems of the 2013 Lincoln MKS

Tl the contact owns a 2013 Lincoln Mks. The contact stated the vehicle was at stand still, when the steering wheel became difficult to turn. The contact stated the power steering assist warning light was illuminated. The vehicle was not drivable. The vehicle was towed to local dealer gary yeomans Ford Lincoln located at 1420 n tomoka farms rd, daytona beach, FL 32124, (386) 310-2342, where it was diagnosed with needing electronic power steering assist to be replaced. The vehicle had not been repaired as of yet. Upon investigation, the contact associated the failure with NHTSA campaign number: 15v340000 (steering), however the VIN was not included. The manufacturer had been informed of failure. The failure mileage was approximately 68,000.