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You can bring ECU from the same car, connect some wires and start any modern car just as well. Original ECU won't even know what's going on. We call it "spider"

You can bring ECU from the same car, connect some wires and start any modern car just as well. Original ECU won't even know what's going on. We call it "spider". It's not as easy as just powering on ignition sparks, but similar attack.

nomel 4y ago
How do you “silence” the original ECU? Won’t there be bus contention?
rasz 4y ago
Sure, you will also need to drop transmission to replace that ecu too. It all depends on a car.