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So now what? Had p0a08 replaced verter pump now gone.

Discussion in 'Gen 3 Prius Technical Discussion' started by EV_mode, Jun 5, 2022.

  1. EV_mode

    EV_mode Junior Member

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    okay so I had a code p0a08 and I replaced the inverter pump. I reset the code and I drove it. It shortly there after maybe 5 miles later it popped the check hybrid, I pulled over and pulled the codes, this time it says no codes. I cleared the invisible codes and everything is fine again for about 3 to 5 miles comes back on. I also had a newer AGM 12v that I swapped in and I got the same result. Can you tell if anybody else has had this happen and if so what was the fix?

    Thanks fellows..
     
    #1 EV_mode, Jun 5, 2022
  2. Mendel Leisk

    Mendel Leisk EGR Fanatic

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    Here's Repair Manual excerpt on that code:
     

    Attached Files:

    #2 Mendel Leisk, Jun 6, 2022
  3. bisco

    bisco cookie crumbler

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    oem pump from a dealer? movement in the fluid reservoir?
     
    #3 bisco, Jun 6, 2022
  4. EV_mode

    EV_mode Junior Member

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    pump isn't OE and I think its half way working. The coolant in the reservoir is barely moving. I've never seen a good one so I don't know how volitile it should be but I'm guessing more than it has.,,

    I'm still getting the CHECK HYBRID but no code.
     
    #4 EV_mode, Jun 7, 2022
  5. bisco

    bisco cookie crumbler

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    if there's any movement with the car on and engine off, it should be okay, but idk for sure.

    looks like you'll need tech stream and sub codes. i would check the pump connector terminals for corrosion.
     
    #5 bisco, Jun 8, 2022
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