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Thread: OBD II connector on an OBD I car

  1. #1
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    Oct 2007
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    OBD II connector on an OBD I car

    I have a '95 Dodge Stratus that is OBD I compliant, but it has an OBD II connector on it. When I connect it to my laptop via my OBD II setup, the computer doesn't recognize the car. The setup works on my '02 Kia Sedona, so I know it's not my setup. Does anyone know how I can access my car's OBD I compliant computer via my OBD II plug (yes it was factory installed, has not been modified in anyway).
    Any help would be appreciated.
    Thanks.

  2. #2
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    Oct 2007
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    I have a "rare" 1995 Stratus ES 2.0L 5-speed with OBDI management but an OBDII connector like yours. I am also looking into my options. I was told some time ago (long before I bought it from my sister) that there was a TSB about this and that the dealer can re-flash the PCM with OBDII coding, but I haven't called the stealership and wouldn't expect anyone there to know what I'm talking about anyway. I'm assuming this would cost money. Sorry I don't have more info for you, but I'm just starting out.

    David

  3. #3
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    Join Date
    Jun 2005
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    Obd I/ii

    I think before OBD II came out many cars used the same style connector that later became OBD II, using different pins. As far as "reflashing" is concerned; doesn't seem likely. OBD I is an entirely different animal than OBD II.

  4. #4
    Newbie intravino's Avatar
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    Feb 2007
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    Corvette

    Chevy Corvette's had a OBD2 Connector but were OBD-1

  5. #5
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    Oct 2007
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    Obd i/ii?

    Any ideas how I can access the computer to interogate for codes? The OBD II software doesn't work. I have tried commercial scanners, but they only scan with OBD II. I have OBD I software, but it will only work when I am plugged in with my OBD I plug.
    Thanks.

  6. #6
    North of the land of Hey Huns
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    There is no real "OBD1 compliance" per-se, pretty much each manufacturer did it differently. Just because you have an OBD2 plug in NO way means your vehicle is OBD2 compliant therefore the obd2 tool of course probably won't work. Your best bet is to find the interface/software which is made for your particular vehicle if there is even any out there.

  7. #7
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    Oct 2007
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    Thanks. I found one scan tool that claims to be able to read my car, but it is a self contained, hand held scanner that costs $350.00. I was hoping someone had updated the software for PC based scan programs so I could use my laptop and scan cables.

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