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Northstar Engines and System Technical Discussion Discussion, Codes in Cadillac Engine Technical Discussion; I have heard there is a way to check codes with the heater controls is this true? and if so ...
  1. #1
    ernie69 is offline Cadillac Owners Member
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    Codes

    I have heard there is a way to check codes with the heater controls is this true? and if so how is it done . Thanks

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  3. #2
    STS-in-Nottingham is offline Cadillac Owners Fanatic
    Automobile(s): 1999 STS (Z rated, Right hand drive)
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    Re: Codes

    What year is your car?

  4. #3
    AlBundy's Avatar
    AlBundy is offline Cadillac Owners Connoisseur
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    Re: Codes

    Quote Originally Posted by STS-in-Nottingham View Post
    What year is your car?


  5. #4
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: Codes

    Yes, it can be done, but as suggested above, it varies by year and model.

  6. #5
    ernie69 is offline Cadillac Owners Member
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    Re: Codes

    98 sts

  7. #6
    STS-in-Nottingham is offline Cadillac Owners Fanatic
    Automobile(s): 1999 STS (Z rated, Right hand drive)
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    Re: Codes

    Here's a quote from an earlier post,can't remember who it was,
    This is just me being lazy!




    DTC display; 1998-2004 Seville, 2000-2005 Deville and other models with 3 buttons on the RH side of DIC


    Use the 3 switches located to the right (LH drive cars) 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.


    SYSTEMS: (as of 1998)

    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) Includes airbag crash data. Under RF seat
    VTD (Vehicle Theft Deterrent)
    MSM (Memory Seat Module)
    TTM (Tilt/Telescoping Module)
    RSS (Road Sensing Suspension)


    Hope this helps,
    Cheers!

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