2003 CTS power trunk won't open
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Cadillac CTS First Generation Forum - 2003 - 2007 Discussion, 2003 CTS power trunk won't open in Cadillac CTS Coupe, Sport Sedan and Sport Wagon Forums; Hi all.....new guy here. Have an 03 CTS and recently the trunk will not open using the key fob or ...
  1. #1
    flyin99 is offline Cadillac Owners Member
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    2003 CTS power trunk won't open

    Hi all.....new guy here.

    Have an 03 CTS and recently the trunk will not open using the key fob or the button on the door panel. Seems as though everything else electirc is working fine. Any thoughts on where I need to look for the problem? Thanks, Brad

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  3. #2
    TotalEclipse31's Avatar
    TotalEclipse31 is offline Cadillac Owners Fanatic
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    Re: 2003 CTS power trunk won't open

    Brad, Im Brad also. LOL. Not sure exactly where it is but its probably just a fuse.

  4. #3
    flyin99 is offline Cadillac Owners Member
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    Re: 2003 CTS power trunk won't open

    So the power trunk has its own circuit? I thought I had read that if the power seat still works, then the fuse is good.............I must investigate. Thanks

  5. #4
    CTS Orlando's Avatar
    CTS Orlando is offline Cadillac Owners Enthusiast
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    Re: 2003 CTS power trunk won't open

    Quote Originally Posted by TotalEclipse31 View Post
    Brad, Im Brad also. LOL. Not sure exactly where it is but its probably just a fuse.
    Sweet! You guys should date and have children together.

    When you're done with the love affair, try either, pulling down the fold down backseat (if you have it) or reaching through the trunk pass-through, and pulling the manual open tab thats attached to the underside of the rear deck. That wont fix your problem, but atleast you'll be able to get into the trunk.

  6. #5
    PublicEnemy's Avatar
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    Re: 2003 CTS power trunk won't open

    I was having this issue a week or so ago. For some reason, it would "click" but wouldn't open.

    Finally it fixed itself, but for a couple days there I had to do the old reach-a-round (and not the kind that puts a smile on your face).

  7. #6
    jgabrielson's Avatar
    jgabrielson is offline Cadillac Owners Member
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    Re: 2003 CTS power trunk won't open

    Press the F1 & F6 key on your radio in the 03 and go into the ODB Computer...... just clear out any codes that its throwing at you. That fixed mine a while back when I first got my 03.

  8. #7
    PublicEnemy's Avatar
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    Re: 2003 CTS power trunk won't open

    Does that work for an 06?

  9. #8
    CTS Orlando's Avatar
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    Re: 2003 CTS power trunk won't open

    Quote Originally Posted by jgabrielson View Post
    Press the F1 & F6 key on your radio in the 03 and go into the ODB Computer...... just clear out any codes that its throwing at you. That fixed mine a while back when I first got my 03.
    Yea, my transmission dropped out one day, and all I did was hit F1/F6; I was doing 85mph before I knew it! Damn, that key combo fixes EVERYTHING!!!!

  10. #9
    Sammy Z's Avatar
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    Re: 2003 CTS power trunk won't open

    Quote Originally Posted by PublicEnemy View Post
    Does that work for an 06?
    I think the 03 and the early 04s had the capability of reading and clearing the codes ffrom the radio. The newer models don't have it. I think when they added XM they removed the diagnositic capability.

  11. #10
    jgabrielson's Avatar
    jgabrielson is offline Cadillac Owners Member
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    Re: 2003 CTS power trunk won't open

    The 03 only had the OBD Reader, the 04's they took them out and you have to go somewhere like Advanced Auto and have the reader put on it. That features been a lifesaver in my 03!

  12. #11
    ewill3rd is offline Cadillac Technician
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    Re: 2003 CTS power trunk won't open

    Turn the valet switch back off.

  13. #12
    Spyke's Avatar
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    Re: 2003 CTS power trunk won't open

    Quote Originally Posted by ewill3rd View Post
    Turn the valet switch back off.
    What?! We have a valet mode? Tell me more

  14. #13
    ewill3rd is offline Cadillac Technician
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    Re: 2003 CTS power trunk won't open

    I am pretty sure there is one in the glove box, I don't have one to look at though.

  15. #14
    Spyke's Avatar
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    Re: 2003 CTS power trunk won't open

    I'll check that in an hour or so

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