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How many miles on the car?
Note that DTC P0A73 is not listed for the Prius. There is P0A72, and P0A75, but no P0A73. It happens that the generic AutoZone readers will not...
When the inverter pump fails, the inverter control ECU starts shutting things off to protect from overheating. The A/C is the first to be turned...
A/C is important in hot weather. Use it, as that is what keeps the HV battery cool. HV battery life and car performance is dependent on cool...
Yes, especially the ground connection to the battery. The 13.9V reading is not what you want. You need to get the reading with a load on, like...
Also, you can fill out the questionnaire in the Fuel Economy forum, where this question has come up a number of times: Fuel economy...
Not much concern about the one bar state. That is actually indicating about 40% of total battery capacity. Toyota was very conservative in using...
Take a look in the Audio and Electronics forum. You will find numerous posts there about stereo installs.
40 miles in summer heat....not a good idea with a overheating problem present. It's not the HV battery that is the concern. The inverter pump...
But is it turbulent, i.e. flowing, with a faint hum from the pump? Now's the time to take the car to Toyota and get the pump replaced for free....
Yes, probably a few to several per month here on PC. An uptick it seems, now that it is hot most places. First thing is to check for coolant...
That is an extremely rare circumstance. I wonder if there is something further amiss that is causing the pumps to fail too soon. Bad luck is...
Yes, overnight is fine. Note that a generic automotive scanner will not read all the Prius specific codes, and so may not be of much use.
Yes, the inverter pump is always on if car is in Ready mode. It is not the engine coolant pump, which only runs when the engine runs. I think...
Just curious what the codes were that were set. Which valve was replaced? There are several that are used for leak detection. It is a very complex...
The AC suddenly not working is due to inverter overheating. I am sure it is very hot there now. It could be because the inverter coolant pump has...
P0505... there was just recently another post with that code. It means that the throttle plate positioner servo is sticking or has deviated from...
If it is just the fan, then yes it would be OK after cool down. But as Patrick mentioned the overheating may be causing another problem. The...
I would not guess that the IR values will present a linear change with age, so it might be hard to know just what the battery health is. It would...
As a test, you can try and give the blower motor a kindly tap with a mallet or suitable technological impact device. The possible problem with the...
