completely agree that the BCM is what eventually controls the air ride, but there is something in the PCM OS has something to do with it, i swapped over to the Escalade bin and segment swapped in the...

need a little help, and of course it on my personal vehicle, a 2005 yukon xl SLT with air suspension "auto ride"
the OS that came on the truck (not sure if the original OS, but the air works with...