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Have 2016 Feb car, AP1 MCU1 pre-refresh but actually has refresh harnesses and related items. Just upgraded to MCU2 $2800 including tax. Had some scharge port issues as well. My car had: Instrument display that was de-laminating MCU display screen that had bubbles and was leaking stocky goo...

Where there’s a JTAG, there’s a way: obtaining full system access via USB

Alternatively I would speculate Tesla uses a standard bios rom. SO, one can read the bios with a jtag, compare and determine which exact version is used, then determine what to patch to get the MCU to boot with the logo off and bios entry enabled, thereby gaining the ability to boot to a flash...

Is there a jtag interface on MCU2? I have a 2019 MCU 2 with ap3 and all that... just bought, so as long as they follow thru and ship I have a place to stand. Can anyone point me to board and tech info on MCU 2? I would think that Tesla Engingeering just started with a stock Intel Atom board...

What about using a JTAG box and getting in that way by access it directly, once image is dumped you can surely find an entry point to break in. SInce its an intel atom you can use a sofware development emulator system and so once you get the cpu socketed you would have control of the entire...