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P3021 High Voltage Battery Module 11 Fault;

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by suv_prius, Apr 22, 2024.

  1. suv_prius

    suv_prius New Member

    Joined:
    Apr 22, 2024
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    Location:
    Brooklyn
    Vehicle:
    2012 Prius
    Model:
    Three
    I recently did DIY hybrid battery replacement for my 2012 Prius and all of previous codes successfully cleared like P0A80 but after driving an hour or so, it throw new code: P3021

    High Voltage Battery Module 11 Fault; Battery block 11 malfunction

    How do I identify 11th module? Left or right? Is each stack is one module or two stacks are one module block? I have 28 stacks of modules
     
    #1 suv_prius, Apr 22, 2024
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