History codes pulled
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Cadillac Seville / Cadillac Eldorado Forum Discussion, History codes pulled in Past Cadillac Vehicle Discussion; ""If the engine stalls when idling, get any diagnostic trouble codes from the car's built-in code reader/scanner. Use the proper ...
  1. #1
    gino9's Avatar
    gino9 is offline Cadillac Owners Fanatic
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    History codes pulled

    ""If the engine stalls when idling, get any diagnostic trouble codes from the car's built-in code reader/scanner. Use the proper section and links in the sticky post just above this - "How to pull codes". Practice, write down all found codes and whether each is Current or History and return to the sticky to open the link of code definitions. Decipher all your P,B,C, and U codes, write it all down, and post it all here.""

    Ok my codes on Seville 2001

    ABS C 1216 history
    DIM U 1016 history
    IPC U 1016 history
    IRC U 1016 history
    RIM U 1016 history
    TTM U 1016 history

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  3. #2
    MoistCabbage's Avatar
    MoistCabbage is offline Cadillac Owners 10000+ Posts
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    You've been here far too long not to know that you need to post the code definitions, AND you quoted "return to the sticky to open the link of code definitions. Decipher all your P,B,C, and U codes, write it all down, and post it all here.".

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    ternstes is offline Cadillac Owners Fanatic
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    Re: History codes pulled

    What problems are you experiencing? All those codes are history, and you can mostly ignore the U codes.

    a google search on c1216 brings back this definition:

    DTC C1216 Brake Control Relay Coil Circuit Open

    But again, it is history. Are you having stalling issues?

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    gino9's Avatar
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    Re: History codes pulled

    I have little poor idle.On morning I can feel more.You can't realy see on rpm dash but you can feel.Today on morning very rough idling and check engine flashing for few second.After gone and drive normal.What that?Ignition wires?


    Sorry Moistcabbage

    DTC U1016 Loss of Communications with PCM
    Why that happen?

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    Re: History codes pulled

    A flashing SES is a misfire detected. Start with a TB cleaning. If that doesn't help, a new set of A/C Delco 41-987 plugs may well be in order. If that still doesn't help, it could be an ignition (coil) cassette.

    Most U codes are just hiccups or caused by pulling battery power. Ignore them.

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    gino9's Avatar
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    What part number in rockauto.com for ignition wires?

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    Re: History codes pulled

    Your 2001 engine does not have ignition wires.

    Set into each cam cover there is an ignition col cassette - 4 potted coils, an ICM and the necessary coil tower connectors. There is an insulated boot with center conductor spring between each coil tower and spark plug connector.

    Pictures of your setup in my albums - the Community tab ^^^, Albums, the red Seville - 2 albums, 6 pages of stuff for your car.

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    gino9's Avatar
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    Re: History codes pulled

    ok,I bought spark plug ACDELCO and boot DENSO.
    I cleaned TB.

    Today again flash SES rough morning idle and Light SECURITY

    pulled codes ;

    DTC B1009 EEPROM Checksum Error
    DTC B2734 Coded Key Controller Memory Failure
    DTC P0101 Mass Air Flow (MAF) Sensor Performance

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    Re: History codes pulled

    Check the entire intake ducting run for integrity - the clamps at the MAF and throttlebody, the clamp and mounting on the flex duct resonator.

    ANY air leak at or after the MAF will set MAF and mixture codes.

    Pictures of your intake ducting/airbox setup in my albums.

    AC Delco plug #41-987.

  11. #10
    gino9's Avatar
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    Re: History codes pulled

    Now I will change spark plug and boots

    DTC C1216 Brake Control Relay Coil Circuit Open..
    What I should check?Wiring?relay?Where??
    When braking looks like abs work all the times.
    when braking steering wheel shaking,even stop before traffic lights(10mph)I can feel like abs.
    Please any advice?And I found little loose on front left hub start playing.

  12. #11
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    Re: History codes pulled

    Any one can help???

  13. #12
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    Re: History codes pulled

    This might be better in the Seville/Eldorado forum.

  14. #13
    gino9's Avatar
    gino9 is offline Cadillac Owners Fanatic
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    Ok my mistake dtc C1246 brake lining wear circuit open

    That is becouse brake pads are without sensor???

  15. #14
    Ranger's Avatar
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    Re: History codes pulled

    That is because the sensor is worn through. Either replace it or connect the two sensor wire together to close the circuit. That will clear the message and the DTC.

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