P0B6A, P0B79, P3004 after battery cell replacement

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by dklayton0213, Jun 2, 2019.

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  1. dklayton0213

    dklayton0213 Junior Member

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    Like the title says. Replaced 4 battery cells and now this on a 2011 Prius. I got the freeze Data if anyone is interested. Any help is appreciated.
     
    #1 dklayton0213, Jun 2, 2019
  2. Raytheeagle

    Raytheeagle Senior Member

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    Did you balance the pack, or just swap the modules?

    What’s the age of the new modules?

    Do you know their capacity and how they compare?
     
    #2 Raytheeagle, Jun 2, 2019
  3. dklayton0213

    dklayton0213 Junior Member

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    Yes we balanced the pack. The new modules are refurbished and reading 7.71. Some of the details of the error codes are showing 00 volts for block 13 but we didn't touch that block. It did spark when we put the bus bars on. Maybe shorted something out?
     
    #3 dklayton0213, Jun 2, 2019
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  4. TMR-JWAP

    TMR-JWAP Senior Member

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    Those P0B codes are for low voltage on a block. Sounds like you probably have either a sensor harness problem or ecu issue. Maybe damaged/cracked sensor tabs
     
    #4 TMR-JWAP, Jun 2, 2019
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  5. Raytheeagle

    Raytheeagle Senior Member

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    Did you check for corrosion? You only touched the modules and blocks with issues? What torque did you use on the bus bars?
     
    #5 Raytheeagle, Jun 2, 2019
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  6. dklayton0213

    dklayton0213 Junior Member

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    Yes, yes, I don't have a torque wrench. I just tightened it tight but not too tight.
     
    #6 dklayton0213, Jun 2, 2019
  7. dklayton0213

    dklayton0213 Junior Member

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    Update: turns out it was the wire. Ended up just replacing the whole battery though
     
    #7 dklayton0213, Jun 11, 2019
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  8. ericbecky

    ericbecky Hybrid Battery Hero

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    Thanks for checking back.

    It's nice to get resolution after folks provide feedback advice on a problem.
     
    #8 ericbecky, Jun 12, 2019
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