'04 with Noisy Computer/ECM!?
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Cadillac CTS First Generation Forum - 2003 - 2007 Discussion, '04 with Noisy Computer/ECM!? in Cadillac CTS Coupe, Sport Sedan and Sport Wagon Forums; Hey everyone...I have a 2004 3.6 just hitting 106K on the clock and recently starting hearing the vehicle's computer "thinking" ...
  1. #1
    RCVW's Avatar
    RCVW is offline Cadillac Owners Fanatic
    Automobile(s): "Angel Dust" 2004 White Diamond CTS 3.6L-V
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    Question '04 with Noisy Computer/ECM!?

    Hey everyone...I have a 2004 3.6 just hitting 106K on the clock and recently starting hearing the vehicle's computer "thinking" and/or adjusting itself but, almost all the time. While the car is on, shortly after the vehicle is keyed off...when the radio is off its loud as hell. Is this a tall tale sign of any upcoming trouble? I have heard/read of peoples ECM's dying on them, having to purchase a new or used one and having it reflashed with your vin from a dealer (yikes). I do have some modifications...a Volant Intake, RX Black Ice, Borla exhaust & lowered suspension if that counts. Thanks in advance!

    -Ryan

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  3. #2
    RCVW's Avatar
    RCVW is offline Cadillac Owners Fanatic
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    ttt....nobody??? :-\

  4. #3
    Bluehaze07's Avatar
    Bluehaze07 is offline Cadillac Owners Connoisseur
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    Quote Originally Posted by RCVW
    Hey everyone...I have a 2004 3.6 just hitting 106K on the clock and recently starting hearing the vehicle's computer "thinking" and/or adjusting itself but, almost all the time. While the car is on, shortly after the vehicle is keyed off...when the radio is off its loud as hell. Is this a tall tale sign of any upcoming trouble? I have heard/read of peoples ECM's dying on them, having to purchase a new or used one and having it reflashed with your vin from a dealer (yikes). I do have some modifications...a Volant Intake, RX Black Ice, Borla exhaust & lowered suspension if that counts. Thanks in advance!

    -Ryan
    Are you sure it isn't the evap solenoid ticking?

  5. #4
    RCVW's Avatar
    RCVW is offline Cadillac Owners Fanatic
    Automobile(s): "Angel Dust" 2004 White Diamond CTS 3.6L-V
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    Queens, NYC
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    Re: '04 with Noisy Computer/ECM!?

    Quote Originally Posted by Bluehaze07 View Post
    Are you sure it isn't the evap solenoid ticking?
    Positive man...sounds like the internal computer is just "thinking" non-stop...like an old desktop computer connecting to AOL via modem...

  6. #5
    bruinsfan is offline Cadillac Owners Member
    Automobile(s): 2004 cts , 3.6L
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    Re: '04 with Noisy Computer/ECM!?

    I have a 04 also with 110x miles and when i turn the key to the on position i hear aticking sound also. Not sure if it goes away when i am in drive.

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