Prime Shutdown

Discussion in 'Prime Care, Maintenance and Troubleshooting' started by Stacey Jones, Jan 30, 2019.

  1. Stacey Jones

    Stacey Jones New Member

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    My 2018 Prius Prime shuts down while driving and immediately turns back on. Anyone else having this problem?
     
  2. schja01

    schja01 One of very few in Chicagoland

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    In the olden days I'd say it was a dirty fuel filter but now a days ??
    Get the codes read or read them yourself.
    May give some insight into whats wrong.
     
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  3. bisco

    bisco cookie crumbler

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    if you are talking about the humongous screen rebooting, yes. search is your friend.

    if you are talking about the engine, that's how hybrids are designed to operate.

    if you are talking about the whole car shutting down and stopping in the middle of the road, get thee to a dealer
     
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  4. Stacey Jones

    Stacey Jones New Member

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    The dealer couldn’t find anything wrong. Have another appointment to have the diagnostics checked again. It lasted literally seconds. Screen and dash completely shut down and rebooted.
     
  5. Stacey Jones

    Stacey Jones New Member

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    Oh car lost power as well
     
  6. schja01

    schja01 One of very few in Chicagoland

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    I like the “That is the way hybrids work “ solution. I was reading more into the question than required.
    Occam’s Razor.
     
  7. jerrymildred

    jerrymildred Senior Member

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    Intermittent malfunctions can be a royal pain to figure out. But, if they read the DTC codes, I would think there would be a history of some kind of trouble code. It's odd to just shut itself down and way more odder that it then restart itself.
     
  8. Stacey Jones

    Stacey Jones New Member

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    I totally agree Jerrymildred. It has happened on 2 separate occasions now. After reading more posts I’m beginning to wonder if it’s a computer system reboot of some kind???
     
    #8 Stacey Jones, Jan 30, 2019
    Last edited by a moderator: Jan 30, 2019
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  9. bisco

    bisco cookie crumbler

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    also, if the car shut down, corporate can bring their computer and see that info in the 'black box'. give customer service a call, and report your experience to nhtsa, that is a dangerous situation, and needs to be addressed before someone is seriously hurt.
     
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  10. Elektroingenieur

    Elektroingenieur Senior Member

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    When you return to the dealer, ask them to check not only for diagnostic trouble codes (using the Health Check feature of a Toyota Techstream diagnostic system), but also for vehicle control history events, described in my previous posting. If the dealer is stumped, the should open a case with Toyota’s Technical Assistance System (TAS), the dealer-only support line.
     
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  11. Stacey Jones

    Stacey Jones New Member

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    Dealer contacted Toyota. There is a computer upgrade to the hybrid side they are installing this morning and hoping it will correct the problem.
     
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  12. bisco

    bisco cookie crumbler

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    do you know if this is upgrade something we are aware of?
     
  13. Elektroingenieur

    Elektroingenieur Senior Member

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    I haven’t seen a service bulletin or campaign publication from Toyota about it, if that’s what you mean.
     
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  14. bisco

    bisco cookie crumbler

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    Yes, thank you
     
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