In my case I scheduled a test drive in my wife's name, she was resisting even while speaking to the representative at Tesla, but then she said she was pleasantly surprised. Her experience is Toyota sienna and model y
It's just end of quarter. They need to gauge who is still active. And also let people to complete tasks, so if there would be a cancellation - next in line would be ready immediately.
Another point towards it being strategic move - my another order for premium AWD that was showing September...
While I'm waiting on my preowned with 2500 miles to be delivered from Orlando, I did too receive a message to proceed with pre-delivery tasks for base AWD. Ordered 2/21
Irrespective whether you're on cellular data or on wifi? If you have a VPN - worth trying.
Our obsession with checking status looks like a bot attack to Tesla, so they are temporarily banning some IPs
I checked autocheck for some - no issues. I ordered one with 2500 miles that was in lease (and registered in Montana - as I read it's a popular place to register, tax-wise, but grey area). I ran carfax for it just in case - no issues.