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Many of the batteries listed are actually the same item, just with the car parts store's sticker slapped on it instead of the manufacturer's.
AC turning off (but not outright failing) is a common symptom of a failed inverter pump. I wouldn't worry about damage to the battery pack....
You could get an LFP battery pack for the Avalon here: https://projectlithium.com/ To find a Toyota (OEM) pack you will need to find the part...
Are you sure it was the inverter pump and not the three way valve? Working on the latter can let air into the engine's coolant system. For...
Walmart sells a S46B24R and it is often in stock in their stores: EverStart Platinum AGM Automotive Battery, Group Size S46B24R 12 Volt, 410 CCA...
If the hatch sensor is iffy it might be going off if cats walk on the hatch. I don't think there is a hood sensor, but I might be wrong. Try...
There is a built in alarm system which can be enabled or disabled using Techstream. From the factory this system does not have a tilt sensor but...
It is a lucky day when a screw up like that only damages fuses.
Probably worth it to take it to a well regarded independent Toyota repair shop in your area and pay a little to have them look into it. At the...
Having the cable clamps on tight is good, being sure that the battery posts and clamps are clean is also good. If one of the clamps is corroded...
If the center console is coming out might it not be easier to just put a padded surface (similar to a padded chair seat == board + foam rubber +...
LFP modules would have to be an improvement over those strange dual cylinder NiMH sticks Honda started using with the Civic Hybrid in 2006. We...
20 mA is an acceptable current draw for an "off" Prius. Why do you think there is a parasitic draw? Is this another case of "the12V battery is...
No good. Look at the dash while the door is open, notice the "door open" indicator light. That must be off when testing for parasitic loads.
Is the trunk still open? That counts as an open door and there will be a roughly 500mA draw. You reported 400mA, which might be the same. I...
By "warm" you mean you can put your hand on it and it is above ambient, but well below sizzle and yank your hand back too hot hot? That would...
For the TPMS, just measure the tire pressures with a gauge. If none are out of range the most likely issue is that a battery has died in one of...
The Prius has a somewhat complicated system of two electric motors and one ICE motor. For the purposes of this discussion it can be simplified...
Go back to harbor freight and buy some alligator clips. Clip one end to a multimeter lead and the other to the test point. Be sure that the...
Could not find a picture of an OEM headlight, but go to amazon.com and enter B0743YPKZQ (because a direct link doesn't work from this site)....