The steering wheel position sensor may fail, resulting in the service stability message being displayed.
Car Problem Reports
GMC Yukon Denali Steering Wheel Position Sensor May Fail
GMC Yukon Denali Problem
Average Mileage: 120,500 mi (100,000 mi - 141,000 mi)
Visitor, 2003 GMC Yukon Denali, 141,000 mi
Service stability message displays every timr the truck is started. I drove over some high compacted snow in my driveway. It's not fixed cause I'm not gonna let a dealer screw me!