08 Yukon denali air ride. I have the service suspension msg on the dash. I was told by a local shop my compressor was bad so i replaced it.

[Camaro71]

Thank you for posting the solution to your issue. Much appreciated.

If you have a bi-directional scanner, reset the automatic level control (ALC), just to be sure that your reference points are correct for level operation.

Good to know, thanks !