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P0A80 Battery Fix Last Month

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by 2011GeorgePrius, Feb 8, 2021.

  1. 2011GeorgePrius

    2011GeorgePrius Junior Member

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    P0A80 Is Here Had I Had P0AA6 Last Month. Check Hybrid System Is Back. Toyota Said Battery Is Bad Block 14 At 15.23V Others At 17VS. I Had The Dealership Fix It Under Warranty But Now Is Failing Again. Prius At 145,383, Miles 145,310 When It Was Repaired Last Month. 12V 11.93 OFF 13.92 ON.
     
    #1 2011GeorgePrius, Feb 8, 2021
  2. JC91006

    JC91006 Senior Member

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    bring it back to the dealer
     
    #2 JC91006, Feb 8, 2021
    SFO and Grit like this.
  3. 2011GeorgePrius

    2011GeorgePrius Junior Member

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    Is it really the hybrid battery I put in about 70 miles since last visited
     
    #3 2011GeorgePrius, Feb 8, 2021
  4. JC91006

    JC91006 Senior Member

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    Whatever it may be, the dealer is willing to fix it under warranty. If they put a new battery in already, the problem maybe somewhere else. Let them sort it out for you
     
    #4 JC91006, Feb 8, 2021
  5. 2011GeorgePrius

    2011GeorgePrius Junior Member

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    I’ll let them sort it out tomorrow when I drop it off again
     
    #5 2011GeorgePrius, Feb 8, 2021
  6. 2011GeorgePrius

    2011GeorgePrius Junior Member

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    But why would it fail in a month?
     
    #6 2011GeorgePrius, Feb 8, 2021
  7. JC91006

    JC91006 Senior Member

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    It's a machine and humans are not perfect. That's why they have a warranty on their work
     
    #7 JC91006, Feb 8, 2021
    jerrymildred likes this.
  8. 2011GeorgePrius

    2011GeorgePrius Junior Member

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    True I’ll let them look at it tomorrow I’ll drop it off then keep you posted
     
    #8 2011GeorgePrius, Feb 8, 2021
  9. JC91006

    JC91006 Senior Member

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    It may not even be the battery that's failing, but since they are the Pros, let them tell you what the problem is
     
    #9 JC91006, Feb 8, 2021
  10. 2011GeorgePrius

    2011GeorgePrius Junior Member

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    But they said block 14 isbad
     
    #10 2011GeorgePrius, Feb 8, 2021
  11. JC91006

    JC91006 Senior Member

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    unless they didn't replace the battery, a new battery should not fail again in a month. So best to let them address it
     
    #11 JC91006, Feb 8, 2021
  12. 2011GeorgePrius

    2011GeorgePrius Junior Member

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    It was new maybe A cell lost balance maybe? Could I recharge the cell back to 17VS
     
    #12 2011GeorgePrius, Feb 8, 2021
  13. JC91006

    JC91006 Senior Member

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    You shouldn't do anything to the battery if it's new. It's very suspicious already that a new battery has failed. Let them deal with it
     
    #13 JC91006, Feb 8, 2021
  14. 2011GeorgePrius

    2011GeorgePrius Junior Member

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    I’ll keep you updated
     
    #14 2011GeorgePrius, Feb 8, 2021
  15. Grit

    Grit Senior Member

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    In a perfect world, it wouldn’t fail at all. Did you actually get a new battery or a non Toyota refurb?

    A feller once got the same code as yours, he had a 2014 with 54,000 miles and swore it couldn’t be the hv battery.
     
    #15 Grit, Feb 8, 2021
  16. bisco

    bisco cookie crumbler

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    do you have extended warranty? or is maryland a 10/150 state? if the latter, they are supposed to replace the whole battery, and you would have paperwork. if the former, and they actually 'replaced a module' (most dealers won't) anothe module may have failed, and it will probably keep happening.

    you need a new 12v battery or at least a charge. it is low from not driving. any idea how old it is?
     
    #16 bisco, Feb 9, 2021
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