Service Enigine Soon indicator
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Cadillac Seville / Cadillac Eldorado Forum Discussion, Service Enigine Soon indicator in Past Cadillac Vehicle Discussion; Folks, I have a 1998 STS, that I've enjoyed for 3 relatively maintenance-free months. A few days ago, the "Service ...
  1. #1
    PhxCowboy is offline Cadillac Owners Member
    Join Date
    Dec 2003
    Location
    Phoenix, AZ
    Age
    52
    Posts
    14

    Question Service Enigine Soon indicator

    Folks,

    I have a 1998 STS, that I've enjoyed for 3 relatively maintenance-free months. A few days ago, the "Service Engine Soon" light came on, and after only a few stops and starts, it went back out. I know that there is a way to get the car to tell me what is on it's mind, can any of you tell me how to retrieve this information?

    Thanks,

    Jack

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  3. #2
    JimD is offline Cadillac Owners Connoisseur
    Automobile(s): '98 STS (RIP @ 206,xxx miles)
    Join Date
    Sep 2003
    Location
    Atlanta area
    Posts
    4,702

    Re: Service Enigine Soon indicator

    Not to worry about intermittent SES lights. The OBD and associated sensors were not 100% perfect in 1998 and possibly not 100% perfect in 2004. But here is what works for me (copied and pasted; the lines might not be registered properly on a web page). Good luck and enjoy the hi-revving Northstar!!



    You will use the 3 buttons 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 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 get out.


    SYTEMS:
    ABS (Antilock Brake System)
    AMP (Amplifier)?
    DDM (Door Driver Module)
    DIM (Dash Integration Module)
    IPC (Instrument Panel Cluster)
    IPM (Instrument Panel Module)
    IRC (Integrated Radio Module)
    PCM (Powertrain Control Module)
    RFA (Remote Function Actuation)
    RIM (Rear Integration Module)
    SDM (Sensing and Diagnostic Module) Inflatable Restraint?
    VTD (Vehicle Theft Deterrent)
    MSM (Memory Seat Module)
    TTM (Tilt/Telescoping Module)
    RSS (Road Sensing Suspension)

  4. #3
    PhxCowboy is offline Cadillac Owners Member
    Join Date
    Dec 2003
    Location
    Phoenix, AZ
    Age
    52
    Posts
    14

    Re: Service Enigine Soon indicator

    Thank you, thank you, thank you!!! I feel certain that unlocking this information will bring me back with more questions, but you guys (and gals) on this board are the best.

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