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I will be surprised if this fixes the problem longterm. Please keep us updated.
You need to read the diagnostic trouble codes (DTC) by using an OBD2 scanner.
What you described is equalizing the voltage in the battery modules. That is not balancing the battery pack. Balancing is done by using a grid...
Do you have a complete list of all the codes you had before replacing the coolant pump? Which coolant pumps did you replace? The inverter coolant...
From post #4
You are correct in the USA. The OP (Mabus) is located in the country of Sweden. The Toyota dealerships in that country appear to not require a...
IMO, Very high probability.
If you have warning lights, that means there are trouble codes that should be read. The trouble codes with help to determine what the problem is....
The problem is probably the 12v battery. How old is the battery? How much do you drive the car during the week?
It looks like you also need pages 05-1159 and more of the repair manual to follow the steps.
Did you clean the EGR ports on the intake manifold when you had it off? If so, how did you clean the ports? What did you do differently the second...
Correct. You create an account and pay for two day access to get the repair manual section for the trouble code that you have. Then, follow the...
The link is in post #12.
The link to obtain access to the Toyota repair manual is in post #24.
New lithium coin cell batteries should be at 3.2 to 3.3 volts.
The Dr Prius app is very limited with what trouble codes it is able to read. Try downloading and installing the "Car Scanner ELM OBD2" app.
Those are the two hoses that I was talking about in posts #4 & #15. Those two hoses did not have any clamps on them by Toyota. The VSV is...
When the car dies on you, do you get any warning lights on the dashboard? If you do, then you need to use a Prius capable scanner to read the...
I agree that you need to install an older version of Techstream. Try version 12 to 14. I think they will work on windows 7 32-bit.
A bad head gasket could be the cause of the rough idle and P0302 code. How is the engine coolant level in the plastic reservoir? Have you added...
