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My neighbors 2008 prius
He has had it 2 years
In the past he has replaced both front rotors, one headlight bulb, and the 12 volt battery.
This week big red triangle light on dash came on. There is also a (circular brake light on?)
And the tcs light is on. Not sure if they all came on at once. Car seems to run ok. I asked him about how much the car runs on battery. He believes it never ran much at all on just battery. I took it fir a short ride. It seems to run fine. The engine will turn off at a complete stop. But kicks right back on with light acceleration. Big battery is I believe at 58%. All 14 cells appear to be at 326.35 volts.
He hates cars and if it runs he dosent pay much attention to dash lights.
He took it to dealership. They think it needs a new inverter converter. They did not spend much time digging into it. But they gave him an estimate for $5700 for new inverter.
Here are all the codes I read. I currently do not know if the ac worked this summer.
If you are familiar with these codes. Which ones are related?
I will check the inverter pump first. I believe this car has a inverter coolant pump recall. I don’t know if it has been performed.
Are all the ac codes related to the main inverter converter?
Does the ac have it’s on inverter?




OEM present codes and OEM read codes
B1421 solar sensor circuit passenger side
B1473 air conditioner inverter start up signal system malfunction
B 1498 communication malfunction (air conditioning inverter local) also OEM pass code

OEM current codes OEM history codes
P0A08 DC/DC converter status circuit
P3108 lost communication with air conditioning system control module.

OEM history codes OEM read codes
C1310 malfunction in HV system
 

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Have you checked the coolant system? That can be a reason why the ac is not working. Maybe you don't have coolant in it. Or, the coolant you are using is a low-quality one and it doesn't work properly. I had a similar issue with my ac. So, my mechanic advised me to change the coolant. I bought it from What Type of Antifreeze and Coolant for Cars. How Much. It's one of the best in our local market. It's a very well-known brand. I was surprised that after I changed the coolant my ac started to work. My advice will be to change the coolant. It may help you also.
 

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Have you checked the coolant system? That can be a reason why the ac is not working. Maybe you don't have coolant in it. Or, the coolant you are using is a low-quality one and it doesn't work properly. I had a similar issue with my ac. So, my mechanic advised me to change the coolant. I bought it from What Type of Antifreeze and Coolant for Cars. How Much. It's one of the best in our local market. It's a very well-known brand. I was surprised that after I changed the coolant my ac started to work. My advice will be to change the coolant. It may help you also.
It's a very popular brand!
 

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It's a very popular brand!
Regardless of that, the person who made the original post probably was just spamming a glowing report.
And his story is very fishy.
Plain water should do an adequate job of making everything work to a reasonable degree.
Just changing to a different brand of coolant, assuming it was full to start with, is unlikely to "fix" anything.
 
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