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2008 smart key not working properly

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by kenneth winter, May 29, 2023.

  1. kenneth winter

    kenneth winter Junior Member

    Joined:
    Mar 16, 2021
    34
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    Location:
    tn
    Vehicle:
    2008 Prius
    Model:
    III
    Smart key is acting odd.

    When I approach the car it unlocks the doors.
    But when I push to start the yellow key icon flashes and red car.

    Whats going on?\
     
    #1 kenneth winter, May 29, 2023
  2. mr_guy_mann

    mr_guy_mann Senior Member

    Joined:
    Sep 3, 2020
    3,250
    1,358
    0
    Location:
    NJ-USA
    Vehicle:
    2006 Prius
    Model:
    Four
    1) maybe the key fob battery is weak

    2)maybe there's a fault that prevents the car from "reading" the fob correctly when it's inside. You would need a capable scantool to check the smartkey ecu for codes.

    (I had problems when my cellphone was in the same pocket as my keys)

    Posted via the PriusChat mobile app.
     
    #2 mr_guy_mann, May 30, 2023
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