Is this way. The train have separate system for control. Nothing may touch. Car is the same. Have only simple connection of entertainment to CAN bus. Only control basic thing. Can not touch driving.

Plane use separate wire for every thing.

For all three the safety critical software is formally verify.

[–] hexaflexagonbear@hexbear.net 31 points 2 months ago* (last edited 2 months ago) (5 children)

I remember a tesla teardown that was like "they simplified the cabling reducing how many cables are needed" and every engineer in the replies was like "ABSOLUTELY DO NOT DO THAT WTF"

[–] gay_king_prince_charles@hexbear.net 2 points 2 months ago (2 children)

Do they use CAN for everything?

[–] FloridaBoi@hexbear.net 1 points 2 months ago (1 children)

I read that they daisychained each module and controller using ethernet cabling which could cause cascading failures. I don’t know if this was a rumor or if it was corrected or what

[–] gay_king_prince_charles@hexbear.net 2 points 2 months ago

In fairness, all can failures are also cascading and most automakers use can

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