the control service ride signal keeps coming on . What's this and what is the $ on 2003 GMC Yukon Denali

when i start the truck,this message appears and i hit the arrow on the steering wheel to remove it

Asked by for the 2003 GMC Yukon Denali
There is a problem with a front shock sensor or autoride shock sensors. This problem needs to be diagnosed with the use of a scan tool.