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The short-term fuel trim is showing 19.53%. Look for a disconnected vacuum hose or leaking vacuum hose. A similar thing happened in this thread,...
Those two codes just mean that the hybrid vehicle control ECU has a code. The scanner that you are using is not capable of communicating with that...
I have asked a moderator to move this thread to the Gen 3 forum.
Fix it right, or don't fix it at all.
It could be that the engine water pump is going bad. To diagnose, use a scanner to monitor the engine coolant temperature.
Have you looked at the short and long term fuel trims?
Have you replaced the coin cell battery in the key fobs?
Let me correct that for you. In a Gen 3 Prius, the high temperature light goes on at 248F. I am guessing that a Gen 4 is similar.
It's not looking good based on the Dr Prius screenshots. 13 of the 14 battery blocks are bad.
There is a reason why the lithium version is obsolete. It had problems and was not reliable. Your best path to resolve the problem is to replace...
Correct. You can try Napa auto parts. The only place I know for sure is online at Amazon or from China on AliExpress.
You can use any scanner that is capable of reading the freeze frame data for the P0AA6 code to find the INF detail code. If you do not have one,...
The hybrid battery ECU does not need to learn the VIN. It sounds like you made good progress by replacing the voltage sensing wire harness and...
So can TechStream.
I think it would be installed near the OBD2 port. I have no experience with these systems. Each manufacturer of these kit will be a little...
Okay, disregard the link that I provided in post #7. This could still be related to the ECU mismatch. Did the key fob work properly before you...
It would cost more than the $3700 price of that car. Do not buy that car unless you can do the work yourself. The head gasket replacement is very...
Thanks for the reply. I did a search. It appears that the problem is because of the different ECU that was installed into the car. Take a look at...
Do you mean B2799? Is that the only code the car has? Did you use a meter to read the voltage of the new battery that you installed into the fob?
^1 I also see that # Codes=1. Did you do a Health Check to look for codes the car is reporting?
