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Dreaded P0A80

Discussion in 'Gen 3 Prius Main Forum' started by swanbeach, Aug 2, 2020.

  1. swanbeach

    swanbeach Junior Member

    Joined:
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    Location:
    Banner Elk, NC
    Vehicle:
    2007 Prius
    So, my 2013 Prius with 113k mile on her, has had the "Check hybrid System" warning come up periodically for the past year or so. Since it is a backup car at this point, I have done the "hack" of unplugging the computer for about 5 minutes, discharging it, letting it reset, then plugging it back in. She then runs fine for weeks/ month and hundreds of miles. I notice no charging problem with battery. Car shuts off when it should at lights and such, and runs off battery for a "normal" time. I took in to the dealer when warning came on yesterday because they say they can only diagnose a problem if it is showing. They say it read the P0A80 code, meaning time for a new hybrid battery, and codes C1259 and C1310 showing need for new ECU. But, may not need ECU if new battery installed, and they can't tell until battery installed. All to the tune of $4,496.89.
    My gut tells me sounds more like a software problem and not the battery? Thoughts? At end of the day if I have to, I am thinking about having "Green Bean" install battery and ECU for $1649.00. Thoughts or experience with them, too, would be appreciated.
     
    #1 swanbeach, Aug 2, 2020
    AzusaPrius likes this.
  2. Raytheeagle

    Raytheeagle Senior Member

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    Vehicle:
    2019 Prius Prime
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    Prime Plus
    Did they give you the print out of the codes?

    Is the hv battery fan cleaned?
     
    #2 Raytheeagle, Aug 2, 2020
    Grit likes this.
  3. swanbeach

    swanbeach Junior Member

    Joined:
    Sep 30, 2008
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    Location:
    Banner Elk, NC
    Vehicle:
    2007 Prius
    Yes, they did give me the printout of the codes. Will check the cooling fan. thanks
     
    #3 swanbeach, Aug 2, 2020
    Raytheeagle likes this.
  4. Grit

    Grit Senior Member

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    Wilkes Land
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    2012 Prius
    Model:
    Four
    Go with your gut on this one, not with your thinking.
     
    #4 Grit, Aug 2, 2020
  5. Raytheeagle

    Raytheeagle Senior Member

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    Vehicle:
    2019 Prius Prime
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    Prime Plus
    P0A80 tells you there is an issue with the hv battery;).

    But there are other codes associated with it called INF codes (Or sub codes) that point to the issue:).

    That should be something they gave you and if not, they must have some payments due at the beginning of the month they need you to help them with :cool:.

    If you have the print outs, post them here and we can help(y).
     
    #5 Raytheeagle, Aug 2, 2020
    Grit likes this.
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