Tl* the contact owns a 2011 porsche cayenne. the contact received notification of nhtsa campaign number: 17v368000 (engine). the part to do the repair was unavailable. the contact stated that the manufacturer exceeded a reasonable amount of time for the recall repair. porsche of silver spring in silver spring, maryland was made aware of the recall and stated that there was no remedy. the manufacturer was made aware of the issue. while driving 40 mph, the throttle control failed and the check engine indicator illuminated. the contact stated that the power brakes and power steering failed. the vehicle was towed to porsche of silver spring where it was diagnosed that the cam shaft controllers failed as described in the recall. the manufacturer was made aware of the failures. the failure mileage was 90,000. parts distribution disconnect.