I bought an imported 1998 used Toyota Prius from a private party last October. I had no problems with it until this May. I took it to a dealer for a regular handbook service and everything appeared normal. The next day I noticed that the hv battery wasn't fully charging. I only drove the Prius 2 out of the next 5 days. However, on the 5th day the battery was charging less and less and a service light came on. I drove the car straight to the dealer where I had the car serviced only 5 days earlier. Because it was a classic imported Prius the dealer had trouble diagonsing the problem. Only yesterday did they come back with that the problem is 3-fold. They said that the HV computer, the HV battery, and the inverter are all shot. Total quote for repair is $12,000 USD. This really shocked me as I only had paid $11,500 for it and it only has 54,000 miles on it.

Anybody have any idea why all 3 components would fail at the same time? Have you ever heard of that before? Do you have any advise for me?