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2008-2013 Cadillac CTS General Discussion Discussion, 2008 CTS throwing multiple codes, dealer can't find problem in Cadillac CTS Second Generation Forum - 2008-2013; They offered, I have not taken them up on it yet because I do have another vehicle. I did tell ...
  1. #16
    katamarie69's Avatar
    katamarie69 is offline Cadillac Owners Member
    Automobile(s): 2008 Cadillac CTS
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    Re: Cts

    They offered, I have not taken them up on it yet because I do have another vehicle. I did tell them to keep it until the issue is found and fixed because I do not want to get stranded anywhere.
    Thanks for all your posts 8)


  2. #17
    C "T" ess's Avatar
    C "T" ess is offline Cadillac Owners Connoisseur
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    Re: Cts

    Ask them to confirm the ECM is functioning as it should.

  3. #18
    katamarie69's Avatar
    katamarie69 is offline Cadillac Owners Member
    Automobile(s): 2008 Cadillac CTS
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    Re: Cts

    I went in today to talk with him per his request. He told me it is not the ECM but he "thinks" it "may" be the ECBM. He stated that every time it acts up and all the lights come on they try to test it and every time they hook it up it clears the codes and then it reads that there is nothing wrong. He explained it may take another 4 - 6 hours of diagnosing at $100.00 per hour that my warrant company said is not covered under my power train warranty. I'm prob looking at $600 - $1000 just for diagnosing it sounds like at this point. I just bought this car July 7th and it seems I may havemade the biggest mistake of my life... trading in a perfect running car for a car that has this many issues. I asked him if I need to find a specialist that deals with computers and wiring and he stated that his guy has 20+ years experience and he is a specialist in this area... I wouldn't think it could be this "hard" to locate an issue.... I'm at a loss...

  4. #19
    Tbbt is offline Cadillac Owners Connoisseur
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    Re: Cts

    Katamarie,

    I had a thought last night (I do my best thinking while asleep). Is your car still covered under the Federal Emissions Warranty? Your dealer will be able to tell you. IF you are still covered, I would find it hard to believe your car is meeting Fed emissions standards while this is happening. Does your state have emissions check stations?

    I'm quite surprised that no one from Cad Customer Service has chimed in here! Where are you Laura?

    Good Luck, Marv

  5. #20
    katamarie69's Avatar
    katamarie69 is offline Cadillac Owners Member
    Automobile(s): 2008 Cadillac CTS
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    Re: Cts

    Thank you for you input!! I've never heard of a Federal Emissions Warranty before. I will call the dealer
    and ask them if this is possibly covered, thanks a million! I was getting ready to go pick the car up and
    take it elsewhere because at this point I'm not having a whole lot of faith in this dealership... It was fine for the first 3 weeks of purchasing it but I HAD to have that window trim piece properly installed (tab was not connected properly) then not 5 miles (after they popped it into place) all dashboard went crazy!! I had driven this car to southern Indiana (from Fishers, just north of Indianapolis) it drove fine no issues... I'm thinking they oops did something and now can't find the issue... I don't know... Thank you again, I will def find out if it is or not.
    Kathleen

  6. #21
    katamarie69's Avatar
    katamarie69 is offline Cadillac Owners Member
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    Re: Cts

    I asked about the Federal Emissions Warranty, and he said it basically covers the cadilatic converter is all... He says they think they found the problem... I really don't know because I know "zero" about a car repairs... He stated the wiring that runs to the headlamp is running at 800 ohms and should be running nearly
    "zero" he said this "could" create all of these issues with the warning lights.. Sounds crazy to me, but they will have that replaced by tomorrow... I guess with this, time shall tell...

  7. #22
    Tbbt is offline Cadillac Owners Connoisseur
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    Re: Cts

    The fed emissions warranty covers much more than the cat convertor. It includes the engine controller and a lot of sensors that control your engine. It's too bad the dealer doesn't know.

    Hopefully they have correctly spotted and will fix the problem for you.

    Marv

  8. #23
    katamarie69's Avatar
    katamarie69 is offline Cadillac Owners Member
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    Re: Cts

    Thank you! I sure am hoping as well. If for "any" reason this is not the problem, I will be picking it up from Lockhart Cadillac and will be going elsewhere... I have tried researching more about the
    wiring that leads to the headlamp, however I really haven't been able to find anything that is even close to this issue. I will keep you posted as you have tried to be very helpful. Thank you again!
    Kathleen

  9. #24
    Jbalvanz is offline Cadillac Owners Member
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    Re: Cts

    Hi I know this is a old post, But I have a 08 CTS with the same problems and they have been working on it for a month with no luck , They have traced wiring and put a ECM and ECBM . Just wondering if this car was ever fixed ? And what was the problem or problems. Any help would be greatly appreciate . Thanks Jeff

  10. #25
    AAIIIC's Avatar
    AAIIIC is offline Super Moderator
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    Re: 2008 CTS throwing multiple codes, dealer can't find problem

    The original poster hasn't been active since August 2013, so I don't imagine they're going to come back with an update at this point.
    '05 Stealth Grey CTS-V, 19x8.5/10" CCW T140s with Toyo Proxes T1 Sports (summer), black Team Dynamics ProRace 1.2 wheels with 275/35-18 R-compounds (track), Hyperblack Rota Torques (winter), KW Variant3s, V2 front brakes, Hotchkis rear sway bar, EPS cam, TEA-ported 243 heads, FAST92 intake w/LS2 TB, JBA Camaro/G8 1-3/4" shorty headers w/JBA cat pipes, Corsa exhaust, UUC motor and tranny mounts, UUC shifter, MAPerformance trailing arms, Specter cradle bushings, etc...

  11. #26
    Jbalvanz is offline Cadillac Owners Member
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    Re: 2008 CTS throwing multiple codes, dealer can't find problem

    Thanks , Thought it would be worth a try thanks

  12. #27
    Jbalvanz is offline Cadillac Owners Member
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    Re: 2008 CTS throwing multiple codes, dealer can't find problem

    I just want to put it out there , That mine is finally fixed . The problem was the ON Star module was pulling down the serial data line . Was able to unhook the ON Star with out affecting the serial data line. I don't use ON Star so Not a big deal. Have been driving the car with out no problems. I Know that other module could cause the same problem , Hopefully this will help out some else in the future so they don't have to go through what I have. Jeff

  13. #28
    HurstGN is offline Cadillac Owners Connoisseur
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    Re: 2008 CTS throwing multiple codes, dealer can't find problem

    Thanks for letting us know what it was.

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