Yep. It's not for all Mavericks. My XLT gives the same notification that it isn't available. If you didn't spring for Copilot 360, you won't have access to updates.
You are connecting the USB C to USB A? The USB A is intermittent on connecting, but does charge. My charging cable is C to C and works better in the C port. So I bought a shorter cable for the truck.
Progressive Insurance 500 deductible 500 collision on my 24 XLT @ $175.16/mo. Bodily injury & Property Damage 25K each person 50K each accident
Uninsured motorist 25K each person 50K each accident