The wifi going unavailable or no IP is always a Carplay failure. One thing you can do is turn off the network detection. This will stop the unit from rebooting constantly when it can't get wifi. Instructions from the vendor:issues joining the AutoKit SSID (no DHCP or no internet errors, or prompting for the password repeatedly)
This was a recent change I requested, after I noticed the wifi would come and go constantly when I was in places with no data service. I wanted it to bond to the phone regardless of internet access, so they made this change.Please go into the backend of your device and upgrade the latest version, after the upgrade is complete click on System on your car and then turn off Network detection to use the offline carplay.
One thing to keep in mind is that even with factory-supported Carplay, people routinely have problems with it. That isn't necessarily T2C's fault. I've been using it for 3 months, at one point it stopped working and I had to delete and re-pair the Bluetooth and now it has worked for 2 months with no problems.
Keep in mind there are 4 pieces here:
* Wireless carplay via Bluetooth (Apple -> T2C)
* 802.11N from Tesla to T2C
* Bluetooth from Apple to Tesla (how you get audio)
* Tesla browser (which got a major upgrade recently)
So there's layers of technology here, and they all have to work. Even in factory-supported solutions that costs many hundred dollars, people have issues. With a solution that Tesla refuses to support or acknowledge, you have to be happy it works at all.
I paid $99, and it works more often than not so I'm happy. With the latest software revisions since mid-march, my only problem is having to manually turn on the Tesla wifi periodically. Everything else "just works" now. YMMV
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