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That is one option. Do you have some basic tools and a DIY attitude? The US (the Location mentioned in your bio) is a largish area, which...
Given the above, it might be a good idea to measure/test the 12v health. How many driving hours per week are you averaging over the last year?
Welcome to PriusChat!! This is normal for the HV battery to bleed off additional charge when full. Are there any stretches of downhill before...
Assuming the miles are accurate, it may be that the HV battery needs to be balanced or cycled. Do you have access to a grid charger/discharger?
Yes, and will then run on hybrid battery until dead, leaving no way in which to restart the vehicle once you've put in 3 gallons of gas.
Yes, #1 is furthest away for the ECU. From the images posted above, it looks like you're having issues with the #2 harness (corrosion or...
There are a few here on PC that offer such, but I've only tried @TMR-JWAP and saw no reason to look elsewhere.
Got no time for codes.
Welcome to PriusChat!! Do you have any OBD2 codes worth posting? FYI : you're being moderated until you've posted 5 times.
Lost in translation.
Please tell us more about this OBD2 code reader that you're using, as it may not be up to the task. And are there lights on the dash?
Welcome to PriusChat!! Did you replace with an OEM sensor from the dealer parts counter, or a Denso equivalent from a known parts house? Here is...
Here is one of two workups for P0A09 with subcobe 265 :...
Odd, you should have a P0420 stored. What OBD2 device or app are you using?
Though there many posts that exude GPT, this one is currently at the top, or not.
Each autoparts store (even within the same chain) will likely have a different scanner, visit each for a free scan and you might find one that is...
Welcome to PriusChat!! Which scanner was used, and if the vehicle is safe to drive, visit every auto parts store and have them also scan it, then...
If cleaning up the MAF sensor, and briefly brushing the throttle body/butterfly valve with a toothbrush and alcohol, then disconnect the 12v to...
Did you actually go through that workup step-by-step? Random swinging voltage may be related to breaks in 'frame wire #2' and corrosion at HV...
What OBD2 codes do you have that point towards a dead HV battery? Best to buy a new HV battery from the dealer (1650+), or try one of the NEW...