2006 Toyota Sienna Sliding Doors Wont Open

Cheap dealer fixed it himself in front of me.
2006 toyota sienna sliding doors wont open. Then it stops working at all. At first the door won t work properly. The 2006 toyota sienna has 4 problems reported for power sliding door won t close. 2006 toyota sienna drivers side sliding door wont latch and stay closed.
After opening the doors plastic assembly while sitting inside with a screw driver. The cable in the side door is prone to fraying and then breaking. Then he bent the clip towards left where the metal wire is connected. This happens when the power sliding door.
Average failure mileage is 90 100 miles. Have 2005 sienna and its driver side door was not openning. In this situation the best thing to do is to replace the cable.