How do you test the steering sensor. the service ride stability light came on on 2005 GMC Yukon XL 1500

nothing else is wrong it is driving fine, internet indicates this is a common problem and it has to do with the steering sensor. how do I check it and fix it.

Asked by for the 2005 GMC Yukon XL 1500
You need a bidirectional scanner to observe data and zero the sensor when installed. Not to expensive of a repair. I recommend taking to the dealer for repair. Cheaper than buying a scanner.