I have a 2005 Prius with 250k miles. Just took a trip and could not get it to work on way back. Tried restart someone had mentioned. also not in lower gear. any ideas/
You might get better answers if you post in the correct sub-forum; this one is for the model C. Probably need a shop visit. Other than a fuse blown, you probably have no good way to test the rest of that system.