One problem related to brake disc caliper has been reported for the 2005 Toyota Scion Tc.
I noticed that the front right brake was wearing faster then the left because of an increase in brake dust on that rim. I took the car to a dealer and they told me that there was nothing wrong with the car and it was just wear and tear. I continued to drive the car for another 1000 miles or so and then I noticed that the car would make funny noises and shake and also have a harder time stopping from highway speeds. So I took the car into another dealer and they told me that the car had a faulty, sticking caliper and that the car was unsafe to drive.