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P0AA6 during rain Please help

Discussion in 'Prius c Care, Maintenance and Troubleshooting' started by Shahab, Mar 11, 2019.

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  1. Shahab

    Shahab New Member

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    2015 Aqua
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    my toyota aqua x urban 2015 is throwing P0AA6 fault everytime I drive in rain particularly passing through small puddles on road technicians here can’t find location of hv leak
    It happens every time In rain
     

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    #1 Shahab, Mar 11, 2019
  2. Raytheeagle

    Raytheeagle Senior Member

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    Any damage to the undercarriage or front of the car?

    Any water that gets into the back of the car?
     
    #2 Raytheeagle, Mar 11, 2019
  3. Shahab

    Shahab New Member

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    No evidence of water getting into cabin checked everything in and around battery pack one window had air leak that was fixed as well
    Let me share pics of accident after which my car hv system got rouge though hv cable from
    Battery to invertor is scratch less
    se
     

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    #3 Shahab, Mar 11, 2019
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  4. Raytheeagle

    Raytheeagle Senior Member

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    So did you run over something and maybe it caught or skimmed one of the hv lines?

    AC system power supply line get caught?

    If it only occurs when it rains, some of the insulation on one of the hv lines is compromised. I’d lift the car up and root around under it, being mindful to not touch any orange insulated (or potentially compromised) wiring;).

    Good luck and keep us posted (y)
     
    #4 Raytheeagle, Mar 12, 2019
  5. Shahab

    Shahab New Member

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    Took out orange wire for inspection as sonfar it was visually inspected by mechanics I just asked him to take it out upon examination it was good to go no insulation damage at all
    Though I found a fault rubber inside grip of ac compressor hv side was missing put a new rubber with the hope that it will solve my problem but the moment I passed through a puddle in a speed to make splashes after 500 m when I put it into park after a while P0AA6 appeared
    Now I am only left with transmission test all are checked from ac to battery except transmission
     

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    #5 Shahab, Mar 12, 2019
  6. kdfchannel

    kdfchannel Junior Member

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    ----USA----
    P0AA6 could be for many reasons if you suspect water then you should get the 526 612 subcode I will post a thread were I pressure washed my seats they didn't dry so well and the HV battery fan sucked the water condensation in to the modules and gave me this codes.
     
    #6 kdfchannel, Apr 5, 2021
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