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Battery Cell Died: Thoughts? Help?

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by AJP, Nov 2, 2021.

  1. AJP

    AJP Member

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    So my dealership told me yesterday that one of the hybrid battery cells is reading poorly. I have come to be unhappy with their service recently and am planning on switching to a mom-and-pop service center instead. Should I have them run their own test?

    Follow-up: worst time in history to buy a used (or new) car. The KBB value of my Prius (158k miles, fair condition) is roughly $5k private party. People are selling them at between $7-10k right now. Historically I intended on buying a used Prius when this one's battery died, but the market is bad for that right now.

    My dealer quoted $2500 for the battery and $400 for labor. The mom-and-pop quoted $300 for labor and $2,000 for the battery (a reconditioned cardone). Not sure if the dealership battery was new or reconditioned.

    A) What are your thoughts on a reconditioned battery?

    B) Are these numbers about right?

    C) Do you agree that with today's market, investing $2500 to replace the battery is the better option? I literally just sank $2,000 into other repairs over the past two years, so it has new spark plugs, new brakes, a new A/C part, and just had all the upholstery done. The dealership said that putting in a new battery will give the car a solid few more years, at least.

    I'm really not knowledgeable about cars so I definitely wanted to check here before making a decision.
     
  2. nancytheprius

    nancytheprius Active Member

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    I would say to not buy a reconditioned battery for that price. Do you have any DIY or hands on ability? You can get OEM battery for under 2000 (after you return core). Otherwise spending the extra 600 for the toyota battery as opposed to the reconditioned one will ensure you never have to worry about the hv battery again. With 158k miles I think a new battery can be justified assuming everything else is in good shape.
     
  3. nancytheprius

    nancytheprius Active Member

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    Gen II Prius Individual Battery Module Replacement
    Check this out


     
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  4. SFO

    SFO Senior Member

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    Did you have any warning lights displayed on the dash?

    Did you pay the dealership for the test/scan, and did they give you a print out showing the results and related OBD2 codes (DTCs)?

    Would the mom and pop shop charge you for a test?
    Don't, unless you want a used battery for the price of a new battery. There are new HV batteries for similar prices, including lithium.
    Both sound a tad on the high side. The new OEM battery from another toyota dealer may cost between 1650-1850, plus install. The crappy used cardone sells for 1412++ at https://www.carparts.com/hybrid-drive-battery/a1-cardone/a15h4002 - though you might find it for less elsewhere, and too be fair to mom and pop, they could be "buying locally" from CQ or AAP for 1724++ which is closer to 2k.
    Not a bad plan, though there are other big ticket repairs that could pop up in the near term as well.

    Which part of the USA are you near, as you could have other options.
     
  5. AJP

    AJP Member

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    ZERO hands-on / DIY ability. How can one get an OEM battery?
     
  6. AJP

    AJP Member

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    Code P0A80. Will find out what/if the charge would be to have it re-tested at the mom and pop. I had a warning triangle light for about two weeks, randomly for a split second, but it's gone away with my (overdue) oil change.


    I mentioned this last night when I spoke to the service manager and he said while they would technically allow it, they prefer to make the purchase so that (understandably) if something were to happen, they would be the ones to deal with the manufacture...obviously if a customer brings in a part and it goes bad...too bad for them. That said, I'm not opposed to buying on and giving it to my service center (the mom and pop).


    Not sure what CQ or AAP are, all I saw was him pulling up a screen and looking at batteries. If someone here can suggest where either THEY or I can buy an OEM for a reasonable price, I'm MORE than happy to pass that info along or take action myself.

    I know. It's an older car, so it's a gamble. I may soon ask what I should be looking for as far as preventive maintenance with a car at this age and mileage.


    Central Pennsylvania
     
    #6 AJP, Nov 2, 2021
    Last edited: Nov 2, 2021
  7. nancytheprius

    nancytheprius Active Member

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    You would have to call all the toyota dealerships in your vicinity or look on the toyota dealership websites with online parts departments. Some will sell the batteries and some won't.

    Do you have another vehicle? if so DIY replacement would be best! Although with "ZERO" hands on skills you might be best to just go with the dealership, because there are necessary safety precautions and a lot of disassembling. Check out youtube though, plenty of helpful videos if you are up to the rewarding challenge.
     
  8. AJP

    AJP Member

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    So I guess some clarification is needed here. Are we talking about buying a used or reconditioned OEM? Or a new one?

    Sadly...not up to the challenge. But my dealership is going to rip me off, so I either want to buy my own battery and take it to the mom-and-pop, or, TELL them what to buy. I'm sick of poor service at Toyota this year.
     
  9. nancytheprius

    nancytheprius Active Member

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    new OEM. as far as i’m aware toyota only sells new ones
     
  10. nancytheprius

    nancytheprius Active Member

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  11. SFO

    SFO Senior Member

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    Interesting. So you went in for an oil change and they used an OBD2 scanner to pull the stored codes (DTCs) for free (part of the oil service I guess), then they tried to upsell a new HV battery without offering the retrieved OBD2 codes to support the sale?

    The flashing warning light may have been you being low on oil, do you check the oil level every week or when you fill up the gas tank?

    If you were low on oil (did the dealer mention that?), then you may not need a new HV battery at this time.
    Nice that you can supply your own parts there if needed. What they say is true, also understand that mom and pop have accounts with local parts warehouses that give them a discount on purchases, so that way they make money on the parts and on the labor.
    CQ = CarQuest, AAP = Advanced Auto Parts, they are one and the same now. Neither sells new HV batteries.
    Not a bad idea, clean the HV battery fan, change the transmission fluid, etc.
    Don't know much about PA, so I picked a random zipcode for Scraton? 17756

    Here is a list (not complete) of nearby dealers that would likely sell OTC (over the counter) or possibly deliver to the mom and pop shop.


    Select a Dealer | Toyota


    The price displayed doesn't include tax or the 'core charge' which will be refunded once the old battery is returned to the dealership. The mom and pop may have an account at your local toyota dealership, and would get a discounted price on the purchase, generally that discount won't be passed on to you.
     
  12. AJP

    AJP Member

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  13. SFO

    SFO Senior Member

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    You requested and were charged for a diagnostic, but the cashier or service advisor never offered a receipt for the service performed?

    When you have the P code (aka DTC), post it here for additional guidance. If you don't have warning lights being displayed on the dash, then you most likely don't currently have a problem with the HV battery or anything else.
    Guessing it flashed while hard braking or cornering. Hope there is no damage to the engine from oil starvation.
    Toyota dealerships only sell NEW parts (currently), though I've heard of a couple installing used parts before (extremely rare).
     
  14. AJP

    AJP Member

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    From the receipt:

    Customer reports master warning light. Inspected vehicle and found a fault for the hybrid battery. Drove vehicle around while watching battery voltages and under high load situations certain battery cell voltages would drop too low compared to the other cells. The hybrid battery cells have degraded to the point that the hybrid battery needs to be replaced. Hybrid battery needs to be replaced. Battery will continue to degrade until vehicle goes into limp mode that limits speed and power output of the vehicle. Hybrid battery G9510-4730 $1950, labor $408, total $2360 + tax.

    Then on the phone, was told that the code was P0A80, cell #14.

    I admit I misread the small type, I thought they were charging $2360 just for the battery alone, plus labor. That's a LITTLE more reasonable.

    FYI, they have NEVER voluntarily offered me diagnostic codes for any major repair work.

    At the moment, there are no warning lights on the dash. The master warning light went away immediately after my oil fill.
     
  15. nancytheprius

    nancytheprius Active Member

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    That's a fair price honestly, and you wouldn't have to worry about the battery ever again realistically. Weird it seems they are assuming it will fail soon by saying
    but doesn't provide the code in that description. Something seems weird. If there are no lights on the dash and it drives fine maybe wait it out. Do you know if the quote expires after a certain amount of time? Do you have a little bluetooth code reader or something like that?
     
  16. SFO

    SFO Senior Member

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    You can see if mom and pop (or another mechanic) will scan it for free, and if they find the same DTCs (P0A80 + P3024).

    Both of those DTCs should create a steady MIL, as mentioned previously, if you don't have warning lights on the dash.

    You may want to pick up a OBD2 bluetooth adapter to use with a phone app like Dr Prius or Hybrid Assistant, thus saving yourself for excessive diagnostic fees going forward, use this link to find a quality product : Hybrid battery diagnostic and repair tool for Toyota and Lexus

    If you want to use the same software that the dealership technicians use to diagnose and repair, then you will need a mini-vci cable (or better) and techstream installed on a windows device.

    You might be able to find a better installed price by calling the other dealers that list the battery for 1750.

    Confirm if the dealer will be cleaning the HV battery fan for the quoted price.
     
  17. Tombukt2

    Tombukt2 Senior Member

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    With the Toyota dealer you're going to have to commit to a $1,350 core charge which they will return if you bring back a Toyota only battery if it has a sticker that says it's been balanced by the hybrid shop of Pennsylvania they will tell you that's not an original Toyota battery and you're stuck without $1,350 beware of that this is a scam that they run on you so you got to make sure you're bringing in a battery with the original Toyota stickers on the cover it can't be painted green or any of that nonsense that makes it not an original Toyota piece and you're out of 1350 bucks read the fine print carefully the Toyota batteries are new my original lasted close to 20 years 1600 for a new one you know what's that computer per year over the 20 something silly

    SM-A715F ?
     
  18. AJP

    AJP Member

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    I don't mean to be unkind but I have no earthly idea what you are trying to say, without punctuation.
     
  19. Tombukt2

    Tombukt2 Senior Member

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    You really don't You read that and you don't understand that they will take you for $1,350 core charge if your battery is anything other than silver with Toyota stickers on it seriously okay grammar Nazi carry on

    SM-A715F ?
     
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  20. nancytheprius

    nancytheprius Active Member

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    Any updates on your situation?