Looking through those errors, I see a lot of issues pertaining to the front of the car, almost as if a harness is missing (several aero shutters and front lights). I'm also concerned by the errors about a short. Take a look at solving those.
johu wrote: ↑Tue Oct 08, 2024 7:17 am
If you swap the broken LDU back do the errors disappear? If so you could swap the control board from the old ldu into the new one
Regarding the drive unit itself, I agree with Johannes, swapping the control board could a be a good option that is short of swapping the whole inverter. I would guess that this would solve errors GTW_f084 and/or GTW_f014, and those might be causing others. Having rebuilt my drive unit piece by piece, I can say the control board is one of the easiest things to remove and replace. Though, removing and replacing the inverter is only terrible the first two or three times.
To swap the control board, you'll need to remove the "can" around the inverter. This requires removing the HV cables, LV connector, the bolts around the end of the can near the gear box, and 4 small screws that hold the LV connector into the can. Once that is off, the control board is towards the bottom on the front side of the unit. It has a few screws holding it in, and many connectors. After swapping that, be very careful when putting the can back on that the LV connector did not come partially disconnected when you removed the can, and that you line it up while reinstalling the can, and that no wires at the gearbox end of the inverter get caught when you slide the can into place, especially the thermistor wires that run alongside it. You might need a light tap from a rubber mallet to install the can, but you should not need to hammer it back on.
