Triangle with Exclamation Loss of Acceleration

Hi...I have a 2001 Prius I bought with 35,000 miles about 3 years ago and it now has over 85,000 miles. On Tuesday the orange triangle with exclamation point, check engine light, and car with exclamation point came on. I drove it home (7 miles) and parked it until Friday when I drove it to one of the Toyotas of Savannah (43 miles). Note: Toyota advisor told me it was safe to drive it in. They had it for an hour, pulled a couple of codes, and reset the lights they told me. On the way back home (about half way) the warning lights came on again. I drove the rest of the way home as the service dept. would have been closed by the time I got back there. About half way there the next morning the same warning lights came on and my car lost acceleration. I pulled over and turned the car off. I waited a few minutes and started it up again. The warning lights came on but it accelerated for about a mile then it happened all over again. I had the car towed the rest of the way. Has this happened to anyone else?

 

<div class='quotetop'>QUOTE(unruhly @ Feb 3 2007, 08:50 PM) [snapback]384984[/snapback]</div>

I was surprised myself - I fully expect them to have the car all weekend and into next week. I should have been suspicious when they called me 90 minutes later.

These are the codes they provided on the receipt:
Codes: P300, P3006, PO303
Note on receipt: Cannot duplicate at this time. If light comes back on will need to leave overnight

Any idea what the codes mean?

 

They ended up replacing the battery pack. Fortunately, it was under warranty. So before 100K I have had the computer system and battery pack replaced. I thought an 01 was a safe bet b/c they were in production in other countries prior. Guess not. He now has 95,000+ miles...so far, so good. I'm averaging 47mpg.