Fortunately this bench power supply turns out to be very much like any number of similar 30V, 5A units, with repair videos and schematics available. While [Tahmid] doesn’t detail his ...

[Domke] then plugged the ECU up to a 12V power supply on his bench, hooked it up, presumably to JTAG, and found a bug in the firmware that enabled him to dump the entire 2MB of flash ROM into a ...