The steering wheel position sensor may fail, resulting in the service stability message being displayed.
Car Problem Reports
Chevrolet Silverado 1500 Steering Wheel Position Sensor May Fail
Chevrolet Silverado 1500 Problem
Average Mileage: 80,900 mi (49,800 mi - 112,000 mi)
Visitor, 2008 Chevrolet Silverado 1500, 112,000 mi
stabiltrak light and traction control light came on at same time