Not just Tesla, got a "Drive System Malfunction" error on my Audi. Been in the shop 4+ weeks now. After much testing, nothing wrong with the drive system, but

Not just Tesla, got a "Drive System Malfunction" error on my Audi. Been in the shop 4+ weeks now. After much testing, nothing wrong with the drive system, but a wire that is dropping voltage somewhere. Stuff has just gotten way too complicated. It's more than right to repair, it's ability or ease of repair that counts more as a practical matter.