rear drive unit failure

I have replaced drive unit from another damaged car and looking for help to calibrate this drive unit with different VIN, Any suggestions by experts? I appreciate your help ; )

Today (Saturday) the battery failed on my Tesla 3 near my home in SW Florida near Naples. The car completely died in the parking lot of a grocery store. My wife got the following messages: "Car needs service", May not restart". Then it died. 9,000 miles on it and no prior problems. No power...

Just wanted to post me experience in the Minneapolis service center. Last Thursday, i got an error message on the way to work to the effect of "Car needs service. Car may not restart." First issue i've had since i got it in Aug 2018 (11k miles). I figured it might be a ghost in the machine, so...