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Thread: Help...SOS!

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    Wrangler Fanatic TexasAirman's Avatar
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    Default Help...SOS!

    Anybody dealt with an issue for an On-Board Diagnostic (OBD aka OPD)? My Jeep has sat for almost a year now. I've taken it to an inspection and it has been running a few times to move it in and out of the garage. The computer would not even register the Jeep OBD. I'm wondering if the Jeep just needs to run for a little while. Any help would be appreciated.

    Monday time.

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    Administrator korisu56's Avatar
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    What do you mean it wouldn't register OBDII? Like it wouldn't connect?

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    Administrator/Jarhead Jeeper USMCHarleyJeepGuy's Avatar
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    Quote Originally Posted by korisu56 View Post
    What do you mean it wouldn't register OBDII? Like it wouldn't connect?
    It should power up as soon as it is connected and you turn the key to the on (NOT START) position.
    Marines...shoot me a PM if you have not received an invitation to the Jarhead Jeepers social group on this site and would like to be a member.

    "Whensoever the General Government assumes un-delegated powers its acts are un-authoritative void and of no force"
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    Wrangler Fanatic TexasAirman's Avatar
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    right. I'm not turning the engine over and I have the computer reader. I could remove the check engine light which was on but I cannot erase any other field diagnostic readings. The computer I'm using gives a reading of "Linking Error" after a few minutes.

  5. #5
    Administrator/Jarhead Jeeper USMCHarleyJeepGuy's Avatar
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    Quote Originally Posted by TexasAirman View Post
    right. I'm not turning the engine over and I have the computer reader. I could remove the check engine light which was on but I cannot erase any other field diagnostic readings. The computer I'm using gives a reading of "Linking Error" after a few minutes.
    Try a different computer (or try the computer on a different vehicle)...might be as simple as a bad cable to the diagnostic computer.
    Marines...shoot me a PM if you have not received an invitation to the Jarhead Jeepers social group on this site and would like to be a member.

    "Whensoever the General Government assumes un-delegated powers its acts are un-authoritative void and of no force"
    ~~Thomas Jefferson

    Blessed are they who, in the face of death, think first only about the front sight tip.

    Celer-Silens-Mortalis


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    Wrangler Fanatic TexasAirman's Avatar
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    didn't even think about that. I'll give it a shot. thanks guys.

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    Administrator/Jarhead Jeeper USMCHarleyJeepGuy's Avatar
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    No worries man...hope that is all it is.
    Marines...shoot me a PM if you have not received an invitation to the Jarhead Jeepers social group on this site and would like to be a member.

    "Whensoever the General Government assumes un-delegated powers its acts are un-authoritative void and of no force"
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    Celer-Silens-Mortalis


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    Mountain Valley Customs
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    Try your computer on another vehicle and see if you get the same result. We had a customer car in here that was doing the same thing and the OBDII port under the dash had broken pins inside of it. Look at your OBDII connector really close. Try putting some Dielectric grease on the scanner plug before you connect it to help clean out dirt.
    Mountain Valley Customs www.mvcustoms.com 570.217.7284
    Specializing in 4x4s and custom fabrication


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    Wrangler Fanatic TexasAirman's Avatar
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    yeah, I'm going to give that a shot. I've cleaned the hell out of the port. got quite a lot of funky corroded crap out. pins all seem to be fine. the Jeep has been setting for almost a year. but neither the scanner, nor the computer at the inspection station would read the computer at all. I'm just praying that the computer is alright.

    thanks guys.

  10. #10
    I am a chapter of one sincitycj's Avatar
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    The computer shouldn't go bad from sitting. It is possible that the comp. did loose programming from sitting so long. Try driving for a 100 miles or so and re-read the computer. If it did loose the programming this should be enough mileage to reset it. Removing the check engine light will do you no good. If you inspection is like our here in Nv. then their computer will read a fault in the ODBII. I go through this here with a fleet of over used cars where I work. I don't know how many smog tests I have had to redo because my maint. guys didn't check that damn little light.
    Quote Originally Posted by usnavymitchells View Post
    went to google to see if I too was a dumb ass!!! Well actually I am.

    http://www.sincityrubs.com/

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