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need obd2 help please

This is a discussion on need obd2 help please within the Computer & Tuning forums, part of the LSx Technical Help Section category; I have a 98 transam and my girlfriend has a 99 transam and the obd2 port doesnt work on either ...

  1. #1
    Junior Member
    Join Date
    Jun 2008
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    ohio
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    4

    red
    98 trans am

    need obd2 help please

    I have a 98 transam and my girlfriend has a 99 transam and the obd2 port doesnt work on either car!! I plugged my code reader (which has worked in the past on both cars) and it doesnt work anymore. i also tryed my hypertech programmer on my 98 and nothing there either has anyone had this problem or could you point me in the right direction. i called gm and they said my computer is burt up and i need to purchase a new one from them! i am seriously dreading buying two computers!!

  2. #2
    Junior Member
    Join Date
    Aug 2005
    Location
    Dawson, IL
    Age
    58
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    83

    NBM
    2000 Trans Am

    Check the CIG/ACCY fuse on them - could just try the Cig lighter - they(OBD port & cig lighter) are on the same fuse

  3. #3
    Senior Member
    Join Date
    Jul 2005
    Location
    Jacksonville, FL
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    2,725
    Welcome to the board. Do the cigarette lighters work? Check the fuse labeled CIG/ACCY in each car, that circuit powers the DLC port.

  4. #4
    Junior Member
    Join Date
    Apr 2007
    Location
    Colorado Springs
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    5

    Black
    94 Trans Am

    Anybody suggest a code reader for a 94 Trans Am? I have the older ODB2 port, the rectangular one with the notch on top. I bought a code reader that fits, but it doesn't seem to work. Then I had the guys at the store hook up a more modern version and it wouldn't even come on.

    At first I thought fuse too, but my Hypertech works fine.

    I figure there must be a very specific reader out there for the older cars with the first versions of ODB2 on them. The reader I have only has 3 pins and it seems one of the pins doesn't connect to anything in the block.

    Any suggestions?

    Oh, after doing some research, it seems I may have an ODB2 port but have an ODB1 computer - in a hybrid called ODB1.5.

    now how to get the code out!

    Ok, after more research there is one recommended one for about 150 dollars on ebay.

    ACTRON 9150 SUPER AutoScanner Kit OBD I & II CP9150 NR
    Last edited by coolgenner; 07-01-2008 at 09:13 AM. Reason: more info found

  5. #5
    Junior Member
    Join Date
    Jun 2008
    Location
    ohio
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    red
    98 trans am

    sorry for such a late response but i didnt have access to the cars. The cig lighter fuse was blown and when i changed it the port worked. Thanks for the help guys

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