It was recently revealed that instead of CanBus they use Ethernet If you're referring to the thread on teslamotorsclub.com[1], they are not using Ethernet for

It was recently revealed that instead of CanBus they use Ethernet If you're referring to the thread on teslamotorsclub.com[1], they are not using Ethernet for any sort of communication aside from infotainment and there is definitely a CAN bus[2]. There's been speculation that UDP broadcasts from the CAN bus are carried over that network as well, but it's almost certainly used for displaying information and informing various non-essential systems. [1]: http://www.teslamotorsclub.com/showthread.php/28185-Successful-connection-on-the-Model-S-internal-Ethernet-network http://www.teslamotorsclub.com/showthread.php/28185-Successf... [2]: https://news.ycombinator.com/item?id=7535589 https://news.ycombinator.com/item?id=7535589