04 prius won't start - red car on MFD
 

My wife had some problems yesterday with the Prius. She was driving home and the cruise stopped working. I think at that point the VSC and yellow triangle showed up on the dash (possibly more). She stopped at a store on the way home and the car wouldn't start up again when she got back out. Now, the whole dash lights up with the warning lights and on the MFD we get the "problem" and red car with exclamation point through it. The car boots up, but it won't let you shift to drive or reverse.

At this point I did some quick digging here and went to check the car out. I checked:
no codes - checked with SG
12V battery (even brought one along to jump it)
fuses - checked them all, none blown
inverter pump is going when turned on (its right in front of the fuse panel in the engine bay, right?)
SG shows HV pack is at 55% SOC


So, I had it towed home, and I'm looking for more ideas.

Old thread, but I have also had this problem several times. it seems to happen for me only in wet conditions. it has happened 3 times over 2 year period. brought the car to the dealership and they couldn't find anything wrong, then mysteriously the car is working again. Right now it is sitting dead in my driveway with "problem" written on the MFD and dash lights lit up.

any info you have would be appreciated.

Mine ended up being a problem (short) with my PHEV kit connectors which were just dangling at the time in my trunk. At the time they were connected to the high voltage pack.