One problem related to steering column has been reported for the 2008 Toyota Sienna. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2008 Toyota Sienna based on all problems reported for the 2008 Sienna.
While driving the vehicle at higher speeds (greater than 40 mph) around curves, the skid indicator sensor will occasionally trigger even on dry pavement where no slipping is happening. The car will automatically decelerate and brake momentarily. There is often a clicking sound in the steering column as well. The vsc warning light occasionally comes on too. Mechanics on multiple occasions have not been able to figure out what is causing the problem. However, based on research at Toyota blogs, it appears that other Toyota Sienna drivers have experienced this same issue.