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key fob not working

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by freeHUG, Feb 5, 2020.

  1. freeHUG

    freeHUG Junior Member

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    Hi everyone, i don't know what happen for my key fob sudden not working even i change the battery, is like the key not detected from the car.

    Thanks
     
    #1 freeHUG, Feb 5, 2020
    Last edited: Feb 5, 2020
  2. bisco

    bisco cookie crumbler

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    12v?

    Stuck button?

    New battery dead?

    Do u have second fob?
     
    #2 bisco, Feb 5, 2020
  3. freeHUG

    freeHUG Junior Member

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    New battery and the second fob is work.
     
    #3 freeHUG, Feb 5, 2020
  4. fotomoto

    fotomoto Senior Member

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    Battery upside down?
     
    #4 fotomoto, Feb 5, 2020
    bisco likes this.
  5. dig4dirt

    dig4dirt MoonGlow

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    Switch batt from the working fob to the one not working, that could narrow down the new batt being no good.
     
    #5 dig4dirt, Feb 5, 2020
    Grit and bisco like this.
  6. freeHUG

    freeHUG Junior Member

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    Thanks for help

    i try, but still doesn't work.
     
    #6 freeHUG, Feb 10, 2020
  7. dig4dirt

    dig4dirt MoonGlow

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    strange, but maybe it is damaged.

    is the 12v car battery original? sometimes that will cause problems.
    any dash lights, or problems starting car?
     
    #7 dig4dirt, Feb 10, 2020
  8. freeHUG

    freeHUG Junior Member

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    my second key fob is working, didn't know why this key fob suddenly doesn't work,:(
     
    #8 freeHUG, Feb 11, 2020
  9. bisco

    bisco cookie crumbler

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    Try cleaning everything with alcohol
     
    #9 bisco, Feb 11, 2020
    James1964 likes this.
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