this post was submitted on 18 Mar 2025
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Cyberstuck
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The OP over simplified and didn't understand.
This Autoevolution Article explains it better. It is not Ethernet, it is power over canbus with distributed control nodes. So I totally buy it using less copper and being a smarter way to do electric car wiring.
Ah, that does make more sense. Having controllers focused on the physical location of components would definitely save on wiring compared to routing them by function. And the connector thing is clever, though I'd be curious to read up on their power-and-data-on-two-wires thing.
One thing in this article to note though--Tesla isn't the first to utilize steer-by-wire. That's literally been around since 2013 (Infiniti was the first, I believe). Most vehicles that used it early on had a physical column that could be engaged as a backup. You know, for safety. The cyber truck is the first fully electric vehicle to not have a physical column, but every other major OEM has them in the pipeline for the next few years. And plenty already have them, but with a physical column as a backup.
In addition, it's worth noting that ethernet does not give lower latency, it offers higher bandwidth. There are plenty of SbW systems using CAN, the latency is quite good as long as you're not overcrowding your bandwidth limits.
So you can hack teslas from their door handles? Sounds like security and maintenance nightmare
The only way you could hack a Tesla via the door handle is if you were using a hatchet.