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Code p3000

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by Charles Vancil, Aug 20, 2021.

  1. Charles Vancil

    Charles Vancil New Member

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    Hey guys can anyone read this scan? 20210820_192355.jpg
     

    Attached Files:

    #1 Charles Vancil, Aug 20, 2021
  2. ChapmanF

    ChapmanF Senior Member

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    You have a P3000, which is a diagnostic code from the HV ECU telling you there are diagnostic codes in the battery ECU that indicate the real issue being reported. But none of your screenshots show the diagnostic codes from the battery ECU. Getting those ought to be the first step.

    If this Matco device can't show the battery ECU diagnostic codes, a different scan tool that can would help.
     
    #2 ChapmanF, Aug 20, 2021
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  3. dolj

    dolj Senior Member

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    At the very least those few screens do show some wonky (read impossible) voltages being read and attributed to particular blocks.

    That is symptomatic of failed sense wires in the no. 2 wire harness. You also need to pull the orange plug from the battery ECU to look for signs of burning, corrosion, or damage.
     
    #3 dolj, Aug 21, 2021
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