Porsche taycan error

[Luisana]

Hello everyone,
maybe you can help me. I have a Porsche Taycan built in 2021 that had a small rear-end collision. I have completely rebuilt it and now the display says on-board power supply faulty - park the vehicle safely. I have a Piwies 3 to delete the error code and reprogram it. My question now is with the Piwies 3 it says that I should remove terminal 15 to reprogram it, but I don't know where it is, maybe you can tell me where I can find it or send me a picture of where terminal 15 is.
Best wishes from Germany
Kate

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[DJBlack]

Not exactly an answer to your question, but on most ICE cars when you are working on them diagnostically and asked to switch off terminal 15 it means switch off the ignition so that the ECU/Body control modules are not “awake”, so if I was you I would attempt to program it with the ignition off (press and hold power button to power down)