Traction Control Issue
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Cadillac STS Forum - 2005 through 2012 Discussion, Traction Control Issue in Past Cadillac Vehicle Discussion; Hell to all, I have a 2006 Cadillac STS 3.6L AWD with 75K miles...Lately I've been noticing that my "Traction ...
  1. #1
    confutatis is offline Cadillac Owners Member
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    Traction Control Issue

    Hell to all,

    I have a 2006 Cadillac STS 3.6L AWD with 75K miles...Lately I've been noticing that my "Traction Active" light is coming on usually when the car is first cold and when there is no traction control problem that I can feel. I'm also hearing some kind of sound which is hard to describe--like a low "growl", which is sometimes followed by the "Traction Active" light coming on and a loss of power. I noticed that same sound this morning when I turned off the traction control.

    Any ideas what might be going wrong?

    David in Ohio

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  3. #2
    1BadCadSTS's Avatar
    1BadCadSTS is offline Cadillac Owners Connoisseur
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    Sounds like a failing bearing.

  4. #3
    confutatis is offline Cadillac Owners Member
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    Re: Traction Control Issue

    Anyway I can verify that it's a bearing, and how can I tell whether it's the driver side or passenger side bearing?

    David

  5. #4
    1BadCadSTS's Avatar
    1BadCadSTS is offline Cadillac Owners Connoisseur
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    Hook a tech 2 or high end scanner to it and monitor each bearing while driving. Whichever one shows variance when the tc activates is the issue.

    In short no.

  6. #5
    confutatis is offline Cadillac Owners Member
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    So there's no way to determine if it's a front or rear bearing, or whether it's on the driver's side or passenger side? What about the growling noise? What am I hearing there?

  7. #6
    1BadCadSTS's Avatar
    1BadCadSTS is offline Cadillac Owners Connoisseur
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    Growling determines a mechanical failure in the bearing. That does not necessarily indicate which (if any) has a shorting/intermittent wheel speed sensor triggering the abs/tc.

  8. #7
    EChas3's Avatar
    EChas3 is offline Cadillac Owners Master
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    Re: Traction Control Issue

    Are any body codes stored? Any pattern left versus right turn?

    The tough thing about bearings is that once off the ground, they aren't stressed. The wheel that turns the best may actually be the culprit!

    Good luck!

  9. #8
    confutatis is offline Cadillac Owners Member
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    Re: Traction Control Issue

    Actually, the growling noise doesn't sound mechanical, it sounds electrical--as if something is re-setting. I heard it again this morning as I put the car in drive to go up the street after backing down my driveway. This time, there was no "Traction Active" alert.

    David

  10. #9
    confutatis is offline Cadillac Owners Member
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    Re: Traction Control Issue

    And it just happened to me at lunch time when I needed to make a quick move. Gave it gas, heard that sound, then "Tracion Active" and a brief moment of no power, which was a bit unnerving since I needed to move quickly.

  11. #10
    Ludacrisvp's Avatar
    Ludacrisvp is offline Cadillac Owners Connoisseur
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    Re: Traction Control Issue

    Until you can fix it you may be better off disabling TC as much as you can.
    Each time you start up just press the button one time to turn it off or press and hold for about 10 seconds to disable TC and Stability Control system.
    This should (hopefully) help out for those situations where you need the power until you can fix the issues.

  12. #11
    Platinum06's Avatar
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    Re: Traction Control Issue

    a bad wheel speed sensor

  13. #12
    EChas3's Avatar
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    Re: Traction Control Issue

    ^^^ Usually the case. Cleaning could help.

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