2012 Hybrid battery cooling fan control pcb

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by PriusMat, Jul 25, 2025 at 1:50 PM.

  1. PriusMat

    PriusMat New Member

    Joined:
    Friday
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    Location:
    3354 Adams Shore Drive, Waterford, MI 48329
    Vehicle:
    2012 Prius
    Model:
    III
    Yesterday my dash gave me a triangle of death and "check hybrid system" warning on the dash.
    during diag I found that my hybrid battery cooling fan was not working. during diag of the fan I pulled out the control board (511-1812, CMKZ-G3X board) and found a fried component (crd= D1). removed fried component, cleaned the pads, looks good. The component was too damaged to identify.
    I'm trying to replace the component or the board. the rest of the sub-assembly is functional.
    Does anyone have a complete picture of that control board that I can identify that part type, or know where I can pick up one of those boards? Not looking forward to paying $200 for the whole sub-assembly.
    Damaged control board photo attached:
    upload_2025-7-25_13-28-3.jpeg
     

    Attached Files:

    bisco likes this.
  2. StarCaller

    StarCaller Senior Member

    Joined:
    Feb 15, 2014
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    Location:
    Cedar Crest, NM, USA
    Vehicle:
    2014 Prius
    Model:
    Two
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