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Cadillac ATS Technical Discussion Forum Discussion, Trembling at idle in Cadillac ATS Discussion Forums; Originally Posted by General Lee 01 If I was a dealer, I would change out your OCV and OCV solenoid ...
  1. #196
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    Re: Trembling at idle

    Quote Originally Posted by General Lee 01 View Post
    If I was a dealer, I would change out your OCV and OCV solenoid to see if that fixed your issue. Cheap parts and not a major repair either.
    That would be great if that took care of the majority of these problems.

  2. #197
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    Re: Trembling at idle

    Quote Originally Posted by General Lee 01 View Post
    They in fact are different engines- different displacement and aspiration, and probably many other details as well. So the dealers are not wrong. But all 3 engines have the same variable valve timing and direct injection technologies. Almost all car companies have already made the switch to variants to these technologies with their complete lineups. This is not new.

    If I was a dealer, I would change out your OCV and OCV solenoid to see if that fixed your issue. Cheap parts and not a major repair either.
    Where exactly is the OCV and OCV solenoid on the car? Thx

  3. #198
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    Re: Trembling at idle

    I wish Cadillac would fix this. It is the only issue I have with my car. Other than that it has been flawless. On my car the rough idle is very intermittent. I can go quite awhile (days) before it happens, but when it happens it seems to be persistent for a bit.

  4. #199
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    Re: Trembling at idle

    Quote Originally Posted by mcaffey View Post
    I wish Cadillac would fix this. It is the only issue I have with my car. Other than that it has been flawless. On my car the rough idle is very intermittent. I can go quite awhile (days) before it happens, but when it happens it seems to be persistent for a bit.
    Hello mcaffey,

    I apologize that you are experiencing this issue as well. If you would like to set up a case with us regarding this issue as well, please private message us. I am glad to hear that your vehicle has been flawless otherwise. Thank you very much for your time.

    Gregory W.
    Cadillac Customer Care

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    Re: Trembling at idle

    Which engine.?

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    Re: Trembling at idle

    Just received call from dealer claims GM now has the software fix for the trembling engine update of ECM. Can Greg and or Laura please confirm that this is true. Just need reassurance that this has come out from your view point. Thanks

    ----------

    Hey daddy can you confirm that as of today GM has given the software updates to dealers about the trembling motors appreciate any info you can provide

  7. #202
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    Re: Trembling at idle

    Just got the call from my dealer. According to my service consultant, there is now a fix for this issue for the 2.5 engine and everyone who has this engine is going to be contacted by phone or mail. My appointment is a week away on the 8th. I'll let you know how it goes.

    Now -- if they can just find the cause of my intermittent electrical ground issues.

  8. #203
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    Re: Trembling at idle

    Quote Originally Posted by Dave623 View Post
    Just got the call from my dealer. According to my service consultant, there is now a fix for this issue for the 2.5 engine and everyone who has this engine is going to be contacted by phone or mail. My appointment is a week away on the 8th. I'll let you know how it goes.

    Now -- if they can just find the cause of my intermittent electrical ground issues.
    So this is just for cars with the 2.5 engine?

    Kevin

  9. #204
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    Re: Trembling at idle

    @bluhaven -- as far as I know, it's for the 2.5 only...at least that's what my consultant told me. Apparently, this is very new -- she said my dealership was notified this morning. You might want to call your dealer and see if they know anything. FWIW -- I pray this issue finally goes away. It's been a long nine months of shake, rattle and roll.

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    Re: Trembling at idle

    I hope this solves your issue, mine did it in the cooler months but not now in the summer?

    Kevin

  11. #206
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    Re: Trembling at idle

    Quote Originally Posted by Dave623 View Post
    Just got the call from my dealer. According to my service consultant, there is now a fix for this issue for the 2.5 engine and everyone who has this engine is going to be contacted by phone or mail. My appointment is a week away on the 8th. I'll let you know how it goes.

    Now -- if they can just find the cause of my intermittent electrical ground issues.
    Hello Dave623,

    I am glad you were notified by your dealer there is a fix for the 2.5 ATS trembling at idle issue. Thanks for sharing this information with everyone. I see you are going to update this thread after your appointment and let everyone know how it goes. I will be sure to be on the lookout for this message also.

    Sincerely,

    Laura M.
    Cadillac Customer Care

  12. #207
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    Re: Trembling at idle

    Quote Originally Posted by Muffin View Post
    Just received call from dealer claims GM now has the software fix for the trembling engine update of ECM. Can Greg and or Laura please confirm that this is true. Just need reassurance that this has come out from your view point. Thanks

    ----------

    Hey daddy can you confirm that as of today GM has given the software updates to dealers about the trembling motors appreciate any info you can provide
    Hello Muffin,

    This has just been brought to my attention today in this forum thread. I would like to check with my internal resources on your behalf and then get back with you confirming this.

    Sincerely,

    Laura M.
    Cadillac Customer Care

  13. #208
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    Re: Trembling at idle

    Quote Originally Posted by Cadillac Cust Svc View Post
    Hello Muffin,

    This has just been brought to my attention today in this forum thread. I would like to check with my internal resources on your behalf and then get back with you confirming this.

    Sincerely,

    Laura M.
    Cadillac Customer Care

    Muffin, If I were you I'd camp out at the dealer like you were witing for concert tickets to go on sale

  14. #209
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    Re: Trembling at idle

    Lol won't be the only one. Laura thanks looking forward to your answer thanks

  15. #210
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    Re: Trembling at idle

    I sure hope this is the answer you and others have been looking for so fingers crossed and looking forward to good reports...

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