What does code PO3018 mean-Block ?

Discussion in 'Gen 2 Prius Technical Discussion' started by PriusVirgin, Aug 26, 2018.

  1. PriusVirgin

    PriusVirgin Junior Member

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    Pulled code po3018-block 8 mean? Battery issue in a certain section of the HV battery. Also many of my individual battery cells at testing at 8.22V which seem on the high side to me? Thanks
     
    #1 PriusVirgin, Aug 26, 2018
  2. bisco

    bisco cookie crumbler

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    you will probably do well to read through some battery rebuilding threads. are you using tech stream?
     
    #2 bisco, Aug 28, 2018
  3. Raytheeagle

    Raytheeagle Senior Member

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    Welcome to Prius Chat (y).

    If you are getting the block 8 becomes weak code, that means the two modules in block 8 need to be investigated ;).

    8.22 volts is not that high and within what I’ve seen:).

    Good luck and keep us posted (y).
     
    #3 Raytheeagle, Aug 28, 2018
  4. JC91006

    JC91006 Senior Member

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    It means your HV battery has failed and the computer has picked up block number 8 as the failure.

    Each block contains 1 pair of modules. Block 1 is counted from the opposite end of all the battery electronics and ECU. So just count the pairs, it's the 8th pair that has a problem
     
    #4 JC91006, Aug 28, 2018
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