2010 Prius Lost power while driving on highway!!

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by Lavi, Aug 19, 2019.

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  1. Lavi

    Lavi New Member

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    Location:
    Raleigh, NC
    Vehicle:
    2010 Prius
    Model:
    III
    I was driving then the car lost power suddenly. It could not accelerate. All the dashboard lights came on! I pulled over and checked the oil. It was at the required level ( I had just changed it). I disconnected the battery and waited 10 min. The car started and drove fine after that scare. On my way home I stopped at a gas station. The car could not go to Drive...only Neutral. On the third try it got on Drive and I went straight home..Phew!!
     
    #1 Lavi, Aug 19, 2019
  2. Tekken

    Tekken Member

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    Location:
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    Vehicle:
    2013 Prius
    Model:
    Two
    Did you get the recall update from dealer? The Recall update the Hybrid program from shut down.
     
    #2 Tekken, Aug 19, 2019
  3. schmuber

    schmuber Member

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    Vehicle:
    2010 Prius
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    Aux battery and integration relay are main suspects.
     
    #3 schmuber, Aug 19, 2019
  4. gliderman

    gliderman Active Member

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    Location:
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    Vehicle:
    2010 Prius
    Model:
    IV
    Do you mean 12v battery? How so?
     
    #4 gliderman, Aug 19, 2019
  5. R_W

    R_W Junior Member

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    Location:
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    Vehicle:
    2010 Prius
    Model:
    III
    Have you checked for codes?

    My 2010 did something similar when the coolant pump started to go bad. Even though the check engine light went out, there was still an archive of the coolant pump code (not the inverter coolant, but the more regular "water pump"). We really only got the one warning, then I cleared the code and we drove it for more than a week with no issues until it went completely out and I had to get it towed from the side of a rural interstate, where I could make the repair.

    Could be the 12v battery. Could be the coolant pump. Could be any number of things, but even if you don't have an active Check Engine Light, it wouldn't hurt and would only take a few minutes to see if there are any codes.

    Edit: Looking back at my post on the subject, I also had a "Check Hybrid System" message appear when the pump first blinked. You didn't mention that message, so maybe you didn't, but it still wouldn't hurt to see if there are any codes.

    Good luck!
     
    #5 R_W, Aug 19, 2019
    Last edited: Aug 19, 2019
  6. bisco

    bisco cookie crumbler

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    Plug-in Base
    wow, scary!
     
    #6 bisco, Aug 19, 2019
  7. CR94

    CR94 Senior Member

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    Are we sure the inverter or its cooling system are not to blame?
     
    #7 CR94, Aug 19, 2019
  8. paolo.rapana

    paolo.rapana Junior Member

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    Location:
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    Vehicle:
    2010 Prius
    Model:
    III


    Hi you solved your problem because it happened to me too and the car is still under repair

    regards
     
    #8 paolo.rapana, Dec 12, 2020
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