2007 Prius Hybrid battery failing- should I repair it for $3100?

Toyota won't put a reconditioned battery in, just a new Toyota battery. I replaced the failed hybrid battery on my '07 with a Dorman rebuilt battery. Watched some YouTube videos and did it myself for $1500. Auto parts store wouldn't sell me the battery, had to go through a friend with a repair shop. First replacement lasted a year, then failed. Dorman warrantied it and I replaced it again. 2nd battery lasted 6 months, replaced it under warranty again. 3rd battery only lasted 2 months. After letting the car sit for 6 months, I found GreenBean battery. They came to my house, replaced it with a refurbished battery for about $1500. 5 year warranty. Tech was very nice and knowledgable. Before deciding on them, I talked to them extensively and they convinced me that their testing of cells was far superior to most. Decided that they must be pretty confident to offer a 5 year warranty. 2 months in now and the car is running like new. Great gas mileage. I'm still a little shy about long trips. You really need to decide what the car is worth to you. I looked a replacing it, but love the '07 and, since we bought it new, I am sure of all service done since it was a baby. Even though I have invested $3000 now on Hybrid batteries, I couldn't replace it for anywhere near that.

 

simple enough to eliminate the 12 volt as a possible culprit before deciding on a new hybrid battery.

 

I bet if you ask your sister, she had the Combination Meter (the speedometer) replaced with one from eBay or a junkyard. that would explain the odometer rollback. (Combo meter failure is a common problem in Gen 2 Prius.) That may also explain why some of the lights won't turn off--the combo meter does not match the car.

 

My 2 cents, a high-mileage, highly computerized car that is experiencing computer related problems and has a known big-ticket repair pending? If I am the DIY type, I would keep it as a project. If I am going to rely on the dealer or a mechanic, I would think money-pit and look for a more reliable car. YMMV
ADD:
One BIG question: Is it burning oil?
Other questions: Is the suspension worn out? (clunking on bumps?) Is it a nice car, or old and beat up?

 

i have found that only 1 module goes out. right now a guy on ebay has modules out of a
2013 for $39 i just bought 1. i ' m going to replace 1 mod that read 6.29 v. i have found
out if you don't work on this yourself you can't aford this car

 

If you are DIY it does not need to cost $3100 to replace your battery. @2k1Toaster sells a kit of new cells for $1600 shipped.That basically gives you a new battery pack and you can sell of any of your old modules that still have useful life.
See my signature for the link.

 

I think i paid $190 for a yellow top (much better battery) at auto zone i don't
know what an 07 is worth but i had this 04 aprised every thing working
$1750

 

Oh Pete, where are you located, that these costs are so outrageous? Are these US dollars? A new 12V battery from Toyota should only be $200, or less. If they charge you to install it they're complete jerks, but a half-hour labor would be fair. So $250
The replacement hybrid battery should be well under $2500, OTD, from your dealer also. You're either in the middle of nowhere, or they hate you.
Since you know the previous owner, find out about that replaced battery. My guess is, it's some refurb nonsense garbage battery.

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BTW, I forgot to even address the BEYOND OUTRAGEOUS $180 charge to diagnose your car at the dealer.
RUN AWAY FROM THAT DEALER!!
Even if it means going 600 miles to another dealer.

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give a lot of thought to the condition of the rest of your car before sinking 3k into it. especially with an unknown quantity like the mileage.
if you do proceed, call every dealer around for pricing.

 

BTW, ONLY A TOYOTA DEALER HAS NEW OEM HYBRID BATTERIES
It sounds like you have a face for ripping off
Nobody you've met in person on this car is contrary and not trying to rip you off

You should be able to find a Toyota dealer to install a new OEM HV battery for $2200, with the 2 year warranty FROM TOYOTA

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Independent shops like mine can sell and install genuine Toyota parts including the hybrid battery. Often depends though, on whether the dealer's parts will sell the HV battery to the shop.


I doubt you will find a dealer willing to install the HV battery for under $2500. That would be unusual. Currently, I see prices hovering closer to $3000.

 

The 12 volt battery does not start the engine. It boots up the computers and closes the high voltage relay so the hybrid battery can start the engine & recharge the 12 volt battery.
A failing Hybrid battery would not mess up the 12 volt battery unless you exhausted the 12 volt battery by running accessories when the Hybrid battery could not recharge it. The 12 volt battery does not tolerate deep discharge well.

 

i hope your problems are over.

 

Depends on location and one's relationship with their service department.