Interesting read. I did not research so this might be covered in the gen 3 forum but I do not recall reading of inverter issues on the prius v forum Toyota failed to fix defect that can cause Prius to overheat and lose power, dealer claims in lawsuit
There was a July 2015 NHTSA recall campaign 15V449000 that Toyota termed Safety Recall F0R (F1R) - Preliminary Notice - Certain 2012-2014 Prius v - Software Update for Motor Generator ECU and Power Management ECU