P0A94-555 Want bench test rig

Greetings all,
I am just the typical obsessed engineer rocket scientist, yes really, and when something stupid happens that should't have happened, I must find out why and fix it. Heres the issue and what I know so far and would like to get input on what to do. I have an 08 and an 09. The 09 is the subject of the anomoly. Car has 180k on her, never been messed with in any way, all maintenance done, HV battery replaced 2 years ago with OEM by previous owner, has operated flawlessly for the year I have owned her, never had my golden screwdriver to it. Car bought for and driven mostly by my girlfriend who has enjoyed the carefree experience. 2 weeks ago she took me to get a truck I had left at a job about 10 miles away, when suddenly and without warning at a stop sign we got the red triangle of death and christmas tree of failure. Car went into limp mode and fortunatly we were within site of the truck we were going after, my rollback tow truck ;-) when we shut car off she would not go into ready and only go into neutral, making it easy to put up on truck. At home, she registered the P0A94-555 to which i did all troubleshooting steps to the end result of replacing the inverter/converter with a salvage unit and this fixed the issue, girlfriend happy because the car runs again. Thats not good enough for me though, because this failure is just wrong because this unit in a gen 2 is known to be nearly bulletproof, so I must know what part failed and fix it. I dont have a spare prius to use as a test bed because I drive the 08 for work, so I wonder if anyone has had success getting the inverter to fire up on a work bench test be of any sort? If not, I would like to try to fabricate a jig that would satisfy the needs to make the boost converter to fire up, since this is the nature of the error code. Anyone got data on this?? Thanks.