Car Wont Start After Installing EV Mode Only

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by Anil Gunjal, Nov 16, 2014.

  1. Anil Gunjal

    Anil Gunjal New Member

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    Hello All

    I am freaking out! I decided to install the EV Mode Only module from Costal. It worked fine for the first few mins. Car started and no issues. I put the dash back together. I got back in to start the car and I keep getting this error:

    "there is a problem with your transmission "p" lock mechanism "

    I cannot get the car to start. I tried to clean out the codes but NOTHING. I then removed the EV Mode switch. I have tried the following:

    1. fully charged the battery
    2. Power cycle the car 100 times
    3. Checked the on screen for the battery test and its shows 12V
    4. Tried to reset the check engine light but it won't go.

    Its a 2007 Prius with 95K miles on it....

    Before I have it towed to the dealer wanted to see if anyone had any ideas? Could I have loosened or damaged other wires? I was very careful and the EV Mode did work for the first few mins

    Any help would be appreciated

    Thanks
     
    #1 Anil Gunjal, Nov 16, 2014
  2. bisco

    bisco cookie crumbler

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    12v is pretty low, is it original?
     
    #2 bisco, Nov 16, 2014
  3. Anil Gunjal

    Anil Gunjal New Member

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    I don't know. I bought the car about 2 weeks ago.....I used a charger to charge it to 100% is that still low?
     
    #3 Anil Gunjal, Nov 16, 2014
  4. bisco

    bisco cookie crumbler

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    yes, if it's old/bad, it doesn't matter how much you charge it. you may have run it down while installing the coastal. get a voltmeter, and measure it with the car off, after it has been off for a few hours, so there is no surface charge.
     
    #4 bisco, Nov 16, 2014
  5. Anil Gunjal

    Anil Gunjal New Member

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    ok thank you. i will try that before i get towed. what should the reading be?
     
    #5 Anil Gunjal, Nov 16, 2014
  6. bisco

    bisco cookie crumbler

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    at least 12.4, a new battery should be 13.0, be careful when charging, you have to go super low amperage, or it will toast the battery. and if you try to jump the car, don't cross the connections, or you can toast the inverter.
     
    #6 bisco, Nov 16, 2014
  7. Anil Gunjal

    Anil Gunjal New Member

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    Thank you Bisco
     
    #7 Anil Gunjal, Nov 16, 2014
  8. bisco

    bisco cookie crumbler

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    all the best!(y)
     
    #8 bisco, Nov 16, 2014
  9. vskid3

    vskid3 Active Member

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    Check that the "P" button connector is plugged in correctly. I've gotten the same error when I've turned my Prius on with the dash apart and that unplugged. Seems to me like it may have come loose when you were putting everything back together.
     
    #9 vskid3, Nov 16, 2014
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  10. Anil Gunjal

    Anil Gunjal New Member

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    Thank you Vskid3. I decided to reset all the plugs including where I had plugged in the Costal Tech...and BANG it started.....Thanks again to everyone....What a relief
     
    #10 Anil Gunjal, Nov 17, 2014
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  11. Tony D

    Tony D Active Member

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    Big thumbs up to the Prius Chat members! Very helpful as always
     
    #11 Tony D, Nov 17, 2014
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  12. vskid3

    vskid3 Active Member

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    No problem, always a pleasure to help keep someone from going to the dealer unnecessarily.
     
    #12 vskid3, Nov 17, 2014
  13. DaneH5

    DaneH5 Member

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    Did you put the EV switch back in ?
     
    #13 DaneH5, Nov 17, 2014
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