Thread: OBD2 Scanner wont connect to ECU. . .

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  1. #1 OBD2 Scanner wont connect to ECU. . . 
    KIRKADAMS
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    Hey everyone...I just bought a used 2006 Grand Prix GT...got it for a good price, had the engine light on...Took it up to Auto Zone to have them scan it for me and they couldnt get it to connect to the ecu, they tried both scanners, one with batteries and one powered by the car...both did the same thing, took it to another store and had the same problem. I did a few quick searches and came up with maybe a blown fuse, but every fuse looks good...both of the 12v plugs in the center console are working... Anyone have some ideas where to look next?

    Thanx

    KirK
    Last edited by KIRKADAMS; 07-06-2014 at 10:42 PM.
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  2. #2 Re: OBD2 Scanner wont connect to ECU. . . 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    Normally it's the cig lighter fuse that will be a problem with the OBD 2 port.

    If thats not it, then you gotta start seeing if the port has power.

    SMGPFC Member #1
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  3. #3 Re: OBD2 Scanner wont connect to ECU. . . 
    KIRKADAMS
    Guest
    Thanx for the quick reply, any idea what pin is the power for the port?
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  4. #4 Re: OBD2 Scanner wont connect to ECU. . . 
    KIRKADAMS
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    Does anyone know where the port gets its power from?
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  5. #5 Re: OBD2 Scanner wont connect to ECU. . . 
    KIRKADAMS
    Guest
    Did some looking around on google...since all OBD2 ports are the same, I think the pin for power is number 16...does this sound right to everyone else..?
    At the bottom of this page is a picture I came across a lot in the search

    http://www.change2e85.com/servlet/Detail?no=160
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