[rwatts7777]

Thanks for all the feedback.
Stopped by Miami for the experts to solve this one.
I tried replacing the raise valve solenoid while in Santa Barbara but didn't fix problem. That needs a special socket to remove it. Now have one if someone needs to borrow.
Newell found that the Tag Axle valves (yes there are two valves) above the tag axle were not operating. Air was leaking and lifting the tag. Now fixed - good in both travel mode and stationary.