Once we got all of this working, we started by filtering out every single message... not allowing a single message to pass through either way.

You'll notice that the 1e5 message is very similar, but has different values in them. A counter of sorts still seems to be present in bytes 7 and 8, but ...

There might be some sort of initial key provided when vehicles are programmed at the factory to tie the computers together, but I have no idea, it's way above my head.

Also, and feel free to not answer this, but how in the world did you get a zero mile drive unit? I thought Tesla didn't sell ...

The Model 3 drive units are cryptographically paired with the VCSEC. Without the appropriate handshake, the inverter won't budge.


so what about drive units that have never been used? do they use some standard key to start with or are the chips completely non fuctional/blank or have some sort ...