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Thread: Help with the OBD Data Link in a Ford Truck

  1. #1
    Join Date
    Aug 2010

    Help with the OBD Data Link in a Ford Truck

    Hello all. I'm having trouble getting my ODB2 connector to connect to my Truck, and I'm looking for possible reasons why.

    I have a 2003 Winnebago Minnie 24F, built on a Ford E450 Super Duty chassis. There is a plug labeled "Data link" under the steering column, and I want to use it to connect to the car computer and collect real time speed versus mpg data. I bought an ODB2 data reader for my computer, but when I plug it in, nothing happens. I am able to use the reader in other cars (a 2002 VW Bug, and a 2000 Honda CVR). There's a picture of the plug, below. I had assumed my truck would have an OBD2 compliant data link, but is it possible that it doesn't? I've spent some time on google trying to find out with no luck. If it does have an OBD2 connector, then what could I be doing wrong?

    Thank you.

  2. #2
    VENDOR - ScanTool Vitaliy's Avatar
    Join Date
    Dec 2006
    Phoenix, AZ
    Vehicles over 8500 lbs were not required to be OBDII compliant until MY2004, when the limit was raised to 14,000 lbs.

    If your truck has any data to offer, looking at the connector, the protocol would be J1850 PWM or CAN. If the vehicle was OBD-II compliant, then considering the model year, it would use J1850 for OBD.

    Even though the truck is not required to be compliant, you may still be able to get useful data like trouble codes and real time parameters.

    What kind of OBD-II interface were you using to connect to it? Your VW and Honda both use the ISO 9141 protocol.

    OBDLink MX: world's smallest, fastest, most advanced OBD/Bluetooth adapter with SW and MS CAN support. Read the review to learn more.
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    You cannot send me a private message using this forum. Use my email instead: vitaliy[@]

  3. #3
    Low Bitrate
    Join Date
    Jul 2005
    Have you checked to see if there is power at the connector? Many OBDII ports are linked with the cigarette plug power and therefore the fuse could blow.

    Check to see if there is 12volts at PIN 16 (bottom right-most pin). If you have 12Volts, then I'm not sure what it could be, because you clearly have J1850 (PIN 2) on your vehicle. Perhaps the tool you are using doesn't support Ford's J1850 or Ford SCP. This is very likely as it was only used on Ford and not for a long time.
    Hack your car's CAN BUS at

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