ASR Offroad Switch

[TBird556]

2017 Peterbilt 348, PX-9, Allison
After updating CECU with ESA, and several test drives , I had this message pop up after truck sat overnight. This truck doesn’t have any ABS, or ATC or any “off road” switches on dash. Double checked every parameter on ESA and Insite.
Disconnected batteries several times, double checked voltage to all ABS components, took apart dash to see if possibly switch was installed but hanging behind panels, nothing.
Has anyone else seen this message before, whether the truck was equipped with said switch or not?