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01 Prius P3125 Bad Inverter and mystery codes.

Discussion in 'Generation 1 Prius Discussion' started by colonel570, May 27, 2010.

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  1. jk450

    jk450 New Member

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    You can flip the inverter upside down on the bench. The DC-DC converter is underneath the metal pan. Fuses usually don't fail by themselves on this component; the root cause must be determined. I have seen failed transistors here. However, they are difficult to source for most folks. If you have a failed DC-DC converter, it's usually easier to simply replace the inverter assembly.
     
    #21 jk450, Jun 5, 2010
  2. colonel570

    colonel570 New Member

    Joined:
    May 14, 2010
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    Location:
    Elon, NC
    Vehicle:
    2001 Prius
    Model:
    N/A
    A friend of mine that works on alot of Toyotas looked at my car today.

    His determination: the 12v battery is bad! (autozone confirmed)

    I ordered a new one, it will be here Wed. $135 ouch!

    Could this be the cause of all the problems?

    I will let you know on Wed!
     
    #22 colonel570, Jun 5, 2010
  3. jk450

    jk450 New Member

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    Possibly, if the battery condition is severely degraded beyond the usual "needs replacement" state.
     
    #23 jk450, Jun 5, 2010
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