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2004 Prius not starting

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by Charmaine, Sep 6, 2024 at 10:20 PM.

  1. Charmaine

    Charmaine Junior Member

    Joined:
    Jun 10, 2019
    6
    1
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    Location:
    Mo
    Vehicle:
    2006 Prius
    Model:
    Two
    I've been having problems with my 2004 for a while. Over the past couple days I have replaced the hybrid battery pack and the 12 volt battery. When I press the foot brake and the power button still nothing but all the lights come on. This is getting to be very frustrating and expensive. I've done the procedure where you hit the power button twice and still all the lights are on. Any ideas are appreciated.
     
    #1 Charmaine, Sep 6, 2024 at 10:20 PM
  2. bisco

    bisco cookie crumbler

    Joined:
    May 11, 2005
    109,452
    49,756
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    Location:
    boston
    Vehicle:
    2012 Prius Plug-in
    Model:
    Plug-in Base
    I would start by reading the trouble codes with a Prius appropriate scanner and posting them here.
    You could load test the12 volt and make sure the orange safety plug was reconnected correctly using the full three steps and make sure the brake lights come on when you step on the brake.
    Did you install a new oem Toyota battery?
    Can you give us a little history on the car and why you replaced the batteries?
     
    #2 bisco, Sep 7, 2024 at 9:24 AM
    Brian1954 likes this.
  3. Tombukt2

    Tombukt2 Senior Member

    Joined:
    Nov 29, 2020
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    Location:
    Durham NC
    Vehicle:
    2009 Prius
    Model:
    Base
    So with brake applied you cannot Ready car ? Pics of that display trying to ready?!!
     
    #3 Tombukt2, Sep 7, 2024 at 4:07 PM
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