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How do I read the computer error codes on my 2002 Cadillac DHS?

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  • timdcormier Sep 22, 2008

    Thanks for your response -- the info I was looking for is at this site:



    http://www.caddyinfo.com/readingcodes.ht...



    DTC display; 1998-2004 Seville and 2000-2005 Deville

    by JimD


    Use the 3 switches located to the right of the Driver Information Center (DIC) to activate and respond to the OBD prompts on the DIC.

    ON/OFF = YES

    INFO RESET = NO
    INFO DOWN or INFO UP = manual toggle


    Ignition ON, acknowledge any warning messages; press ON/OFF and INFO UP together for 2 to 3 seconds. Everything in front of you lights up for 4 or 5 seconds, then you will see:

    Display shows "ALL?"

    Answering YES will display "ALL CODES?"
    Answering YES will run automatic test sequence and display codes, if any. Systems and codes will scroll faster than I am able to read them and write them; not to worry.
    "ALL CLEAR CODES?" will display at the end of the automatic test. If you are satisfied you have the information you need, answer YES to clear/erase all error codes.
    Answering "ALL?" with INFO DOWN will toggle systems test manually in order.
    Answering "ALL?" with INFO UP will toggle system test manually in reverse order.
    Press INFO RESET to reset DIC to "ALL?" to start again.
    Ignition OFF to exit.



    tdc

    ps my car year is actually 2003...

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If it's the check engine light. since your car is 1996 and newer take it to the local autzone, advance auto (free) have them plug into it and read the codes (OBDII). take a pen and paper so that you can write down what comes up. Or take it to your local mechanic and have him/her read the codes ($Free-$60). anything outside of the check engine light, you will need to go to a garage / dealer.

Posted on Sep 22, 2008

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