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2nd Gen prius throws codes when communicating with obd2

Discussion in 'Gen 2 Prius Main Forum' started by Smogduke, Jul 18, 2017.

  1. Smogduke

    Smogduke New Member

    Joined:
    Jul 18, 2017
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    Location:
    Sacramento
    Vehicle:
    2007 Prius
    Model:
    Three Touring
    I have a 2007 prius that drives perfectly fine and does not have any trouble codes but as soon as you try to connect a scanner or hook up obd2 for smog, the car shuts off and displays all warning lights and the gear selector begins to flash along with the fuel gauge.
     
    #1 Smogduke, Jul 18, 2017
  2. bisco

    bisco cookie crumbler

    Joined:
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    Location:
    boston
    Vehicle:
    2012 Prius Plug-in
    Model:
    Plug-in Base
    welcome!

    yes.
     
    #2 bisco, Jul 18, 2017
  3. jessiejosco

    jessiejosco Member

    Joined:
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    Location:
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    Vehicle:
    2006 Prius
    Model:
    N/A
    yes that happened to me with on of those cheap ebay techstream dongles. The instant I plugged it in all the warning lights came on and the car would not do anything. Disconnecting the battery reset it but I just tossed that thing in the garbage. I was probably just unlucky and got a bad one, but I didn't want to take any chances, so I have a Lemur "BlueDriver" now and it plays fine with the Prius.
    Yes I know you can get cheaper devices.
     
    #3 jessiejosco, Jul 18, 2017
  4. edthefox5

    edthefox5 Senior Member

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    Location:
    Clearwater, Florida
    Vehicle:
    2007 Prius
    Model:
    Two
    What Jessie said. There's many alternatives to modern obd readers there an Android Torque app and there's a Scangauge for around $160 and theres a mini vci on amazon.com for $30 and theres a plug and play VXDIAG that also has Toyota techstream software.

    If it has no codes thrown all sensors are happy.
     
    #4 edthefox5, Jul 18, 2017
  5. BK310CH

    BK310CH Junior Member

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    Jul 18, 2017
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    Location:
    Niagara Falls
    Vehicle:
    2004 Prius
    Model:
    I
    Take it to O'Reillys. They will read your codes for free, and they use Bosch brand code readers. If it happens with their reader, you know it's your car and not the reader.
     
    #5 BK310CH, Jul 18, 2017
  6. edthefox5

    edthefox5 Senior Member

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    Location:
    Clearwater, Florida
    Vehicle:
    2007 Prius
    Model:
    Two
    He said theirs no codes. Not sure what he was chasing with the "smog".
     
    #6 edthefox5, Jul 18, 2017
  7. BK310CH

    BK310CH Junior Member

    Joined:
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    Location:
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    Vehicle:
    2004 Prius
    Model:
    I
    I assumed he meant no dash lights because he can't possibly know that he doesn't have any codes if he can't use a code reader.
     
    #7 BK310CH, Jul 18, 2017
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