Service Theft System/Traction Control/Key Stuck.....PLEASE HELP!!
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Cadillac CTS First Generation Forum - 2003 - 2007 Discussion, Service Theft System/Traction Control/Key Stuck.....PLEASE HELP!! in Cadillac CTS Coupe, Sport Sedan and Sport Wagon Forums; I have a 2005 CTS that starting acting up on me last Thursday. I went to turn it off and ...
  1. #1
    jallwine is offline Cadillac Owners Member
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    Service Theft System/Traction Control/Key Stuck.....PLEASE HELP!!

    I have a 2005 CTS that starting acting up on me last Thursday. I went to turn it off and the key would not release. The battery ended up going dead by the time we figured out how to release it from under the steering column. I had got the "Service Theft System" on the DIC and also notice the Traction Control was lit up. After recharging the battery it continues to display the Service Theft System, Traction Control is lit up, Fuel and Temperature gauges do not work and the DIC does not give me any information about MPG, etc etc. and the shift column does not display if its in gear or park. For the first day or so after turning it off (and releasing the key) it would not turn back on unless you disconnected the positive cable for a few minutes. So after reading a lot of posts I am led to believe its the ECM does this sound correct and if so where the hell is it??? I really need to get this fixed myself if possible. I just had to replace the timing chain a month ago and am FLAT broke!! Any help would be greatly appreciated!

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    06beaumontcts's Avatar
    06beaumontcts is offline Cadillac Owners Fanatic
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    Re: Service Theft System/Traction Control/Key Stuck.....PLEASE HELP!!

    the same thing happen to me, it was the ecm take it to the dealer and get an estimate i think i paid 700 some of it was covered by the Cadillac

  4. #3
    fullo06 is offline Cadillac Owners Fanatic
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    Re: Service Theft System/Traction Control/Key Stuck.....PLEASE HELP!!

    The same thing was happening to me, but my car had been sitting for a week or so... what I did was disconnect the battery leave it for an hour or so, then try turning it on again..my car started up but the check engine light came on, but after driving her around for a while the light disappeared.

    I had the same symptoms your car had: theft/service light was on, traction control was stuck on on, key wouldnt come out, and DIC wouldnt work except for the battery voltage and the time. Hope this helps..

    Also check the voltage of the battery, mine came down to about 11.2 volts before I disconnected it

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    andrewschenk's Avatar
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    Re: Service Theft System/Traction Control/Key Stuck.....PLEASE HELP!!

    my battery went dead at my cottage this summer, i jumped it and drove fine for about 150km then stopped for a coffee. come back out and it went into theft lock when i tried to start it. i had to let it sit for about 30min (i think for the ecm to reset)... so i enjoyed my coffee and walked the cliff sides overlooking a bay.

  6. #5
    GR-CTS is offline Cadillac Owners Member
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    Re: Service Theft System/Traction Control/Key Stuck.....PLEASE HELP!!

    I too have been fighting the same problem for a while now with my 2003. The dealership didn't impress me technically and talked about just swapping parts (ECM, ignition switch, gear shift interlock thing-a-ma-jig, etc). Sounded expensive, and I started doing my own research. I've already put a new battery in. I read somewhere that the gear shifter takes input from the brake, and if that signal gets loss or interrupted (maybe a loose connection), then it loses where it's at, the ECM (which is mounted on the left side top of the engine with 2 large connections into it) gets confused, and then things start going crazy from there. This is just a theory, and I haven't proven it yet.

    You can continue to drive as long as you don't put the shifter into Park. As soon as you put it in Park, it locks up and your stuck.

    I just struggled with it again tonight, ended up disconnecting the battery and repeatedly starting/stopping until the gear shifter light illuminated and I was able to get the key out.

    How do you get the key out from under the steering column? I can't find the release point?

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    airportwv is offline Cadillac Owners Member
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    Re: Service Theft System/Traction Control/Key Stuck.....PLEASE HELP!!

    Buy a ecm i had the same problem it cost me $ 1.300 for the dealer to fix it if u have the ecm your cost $ 400.00 its about 2 hrs to program it a lot cheaper than it cost me good luck

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    RippyPartsDept's Avatar
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    Re: Service Theft System/Traction Control/Key Stuck.....PLEASE HELP!!

    if you decide to buy i can get you a nice deal on parts
    Chris Heath (RippyPartsDept) is an ASE Certified GM Parts Consultant at
    Rippy is a Cadillac, Hummer, Saturn & Saab dealership - family owned and operated in Wilmington, NC since 1946
    We offer all forum members deals on parts and freight - e: parts@rippyautomotive.com ph: 800-RIPPY-22
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    Tou
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    Re: Service Theft System/Traction Control/Key Stuck.....PLEASE HELP!!

    Quote Originally Posted by jallwine View Post
    I have a 2005 CTS that starting acting up on me last Thursday. I went to turn it off and the key would not release. The battery ended up going dead by the time we figured out how to release it from under the steering column. I had got the "Service Theft System" on the DIC and also notice the Traction Control was lit up. After recharging the battery it continues to display the Service Theft System, Traction Control is lit up, Fuel and Temperature gauges do not work and the DIC does not give me any information about MPG, etc etc. and the shift column does not display if its in gear or park. For the first day or so after turning it off (and releasing the key) it would not turn back on unless you disconnected the positive cable for a few minutes. So after reading a lot of posts I am led to believe its the ECM does this sound correct and if so where the hell is it??? I really need to get this fixed myself if possible. I just had to replace the timing chain a month ago and am FLAT broke!! Any help would be greatly appreciated!
    I have the same problem at the moment. Except all I did was disconnect the battery terminal. And now all of this happened. I can't rev the car past 4000 rpm. I can't get the car out of park, Key was stuck in ignition. It displayed Service Theft System, Traction Control lit up, and my fuel and temp gauges didn't work. Had to manually release the key out of the ignition. And now I can't figure out how to reset everything. Everything ran fine until I decided to take off the positive terminal of the battery.(Brand new battery)

  10. #9
    Dmosher669 is offline Cadillac Owners Member
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    Re: Service Theft System/Traction Control/Key Stuck.....PLEASE HELP!!

    I have a 2005 CTS that starting acting up on me last Thursday. I went to turn it off and the key would not release. The battery ended up going dead by the time we figured out how to release it from under the steering column. I had got the "Service Theft System" on the DIC and also notice the Traction Control was lit up. After recharging the battery it continues to display the Service Theft System, Traction Control is lit up, Fuel and Temperature gauges do not work and the DIC does not give me any information about MPG, etc etc. and the shift column does not display if its in gear or park. For the first day or so after turning it off (and releasing the key) it would not turn back on unless you disconnected the positive cable for a few minutes. So after reading a lot of posts I am led to believe its the ECM does this sound correct and if so where the hell is it??? I really need to get this fixed myself if possible. I just had to replace the timing chain a month ago and am FLAT broke!! Any help would be greatly appreciated!

    I too have these same symptoms, but I've had no issues with the key releaseing.

    Any suggestions out there?

    Thanks!

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