In case it could help someone, we published a DBC file for the I Booster Gen 2 (Tesla Model 3) here: https://github.com/open-vehicle-control-system/dbc/tree/main/ibooster
Our first implementation is working and allows to control the brakes and monitor them: https://github.com/open-vehicle-control ...

Thanks a lot!
Based on this trace we could actuate the ibooster with our code.

It seems that bytes 2 and 3 of frame 0x38C is controlling the flow rate (ml/s) of fluid sent into the baking system.
We did not find the scale and offset yet but 0x7e00 seems to be the zero point, applying more (up to ...

Push rod is moving.
https://youtu.be/OaFyZKrNhBw


Amazing job @AMP3R!
Would you mind sharing the trace you used to make it move?
From what I can see ibooster EXTERNAL_BRAKE_REQUEST.csv is valid but not requesting any braking.

I'm also busy reverse engineering the Ibooster Gen2 here: https ...