The charging unit on my 2014 chevy spark ev went out a few days ago. They are sending the dealer a whole charging unit brand new. Im happy with that. all under warranty. They cant troubleshoot it like you said. Just send everything new.
Do you have any musical talent? If so, you can make a video like the following guy did with millions of hits and they will send u 2 new cars:
https://www.youtube.com/watch?v=5YGc4zOqozo
