OK you win. Thomas mentioned JB---- 3 mos ago lol!
USA Truck doesn't / hasn't run any Columbia's.All Freightliners they have are Cascadias, so these must be from a different co.
The info posted above is for JB Hunt. Wrong forum.
I had a similar prob w/ my Cascadia. Every trlr I hooked had the abs lite on, even w/ the key off. The prob was a bad ecm putting power to the abs...