Radio not working
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Cadillac CTS First Generation Forum - 2003 - 2007 Discussion, Radio not working in Cadillac CTS Coupe, Sport Sedan and Sport Wagon Forums; i replaced the antenna module in my wife's 2003 cts with a used one i purchased off of ebay and ...
  1. #1
    wingnut2000 is offline Cadillac Owners Member
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    Radio not working

    i replaced the antenna module in my wife's 2003 cts with a used one i purchased off of ebay and now the am and fm are not working. The keyless entry has stopped working as well. The Fm radio did not work before the swap but the am radio did and the keyless did and now nothing is working. What could this be? a fuse? should i reinstall the old one to get the keyless entry back to working? Its not a fun process taking the car apart to fix this.

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  3. #2
    wingnut2000 is offline Cadillac Owners Member
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    Re: Radio not working

    anyone?

  4. #3
    Teedoe's Avatar
    Teedoe is offline Cadillac Owners Fanatic
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    Check the fuse under the driver's side back seat. Might have blown

  5. #4
    wingnut2000 is offline Cadillac Owners Member
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    Re: Radio not working

    thanks i will try this. Is there a tutorial on removing back seat to expose this fuse??

  6. #5
    CadillacAsAlways's Avatar
    CadillacAsAlways is offline Cadillac Owners Enthusiast
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    Quote Originally Posted by wingnut2000
    thanks i will try this. Is there a tutorial on removing back seat to expose this fuse??
    Pull up front edge of seat, pop it up, and remove from car. No tutorial necessary.

  7. #6
    Kingoftypos is online now Cadillac Owners Master
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    Buckle the seats belts first. It'll make for finding the seat belts easier when you put the seat back in.

    KOT

  8. #7
    wingnut2000 is offline Cadillac Owners Member
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    Re: Radio not working

    thanks. i will let you know how it goes

  9. #8
    wingnut2000 is offline Cadillac Owners Member
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    Re: Radio not working

    I checked the fuse and it was fine. Dunno what to do now. I guess the antenna module i bought could be bad.

  10. #9
    wingnut2000 is offline Cadillac Owners Member
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    Re: Radio not working

    any ideas?

  11. #10
    RippyPartsDept's Avatar
    RippyPartsDept is offline Hi, I'm Chris - Please Read My Signature
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    Re: Radio not working

    it's possible that it could be a bad module

    but more likely than that is it needs to be programmed to your vehicle (vin programming) before it will work

    ----------

    what's the part number?
    Chris Heath (RippyPartsDept) is an ASE Certified GM Parts Consultant at Rippy Automotive
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  12. #11
    wingnut2000 is offline Cadillac Owners Member
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    Re: Radio not working

    I know now that the remotes will have to be programmed but will they need to do programming for the radio to work?

    the part # on the one i bought used is 12233252

  13. #12
    Kingoftypos is online now Cadillac Owners Master
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    Re: Radio not working

    What fuse did you check? The TRUNK DR RELEASE 10amp is the fuse that takes care of that module.

    But if I were you, I would check all fuses no matter what they say.

    KOT

  14. #13
    RippyPartsDept's Avatar
    RippyPartsDept is offline Hi, I'm Chris - Please Read My Signature
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    Re: Radio not working

    Radio Antenna Module Replacement
    Removal Procedure

    1. Remove the rear sail panels. Refer to Sail Panel Replacement in Interior Trim.

    2. Remove the rear assist handles. Refer to Assist Handle Replacement in Interior Trim.

    3. Remove the rear roof mounted dome lamp. Refer to Dome Lamp Replacement in Lighting Systems.

    4. Carefully lower the rear of the headliner to access the antenna module.



    5. Disconnect the coax cables (3,4).

    6. Disconnect the electrical connector (1).

    7. Slide the diversity antenna module  (2) off the mounting bracket.
    Installation Procedure




    1. Install the diversity antenna module (2) on to the mounting bracket.

    2. Connect all the electrical connectors (1, 3, 4).

    3. Install the rear roof mounted dome lamp. Refer to Dome Lamp Replacement in Lighting Systems.

    4. Install the rear assist handles. Refer to Assist Handle Replacement in Interior Trim.

    5. Install the rear sail panels. Refer to Sail Panel Replacement in Interior Trim.


    ----------

    doesn't look like it requires programming
    Chris Heath (RippyPartsDept) is an ASE Certified GM Parts Consultant at Rippy Automotive
    Rippy is a Cadillac, Hummer, Saturn & Saab dealership & Official Saab Service Center
    ~~ Family owned and operated in Wilmington, NC since 1946 ~~
    We offer all forum members discounts on parts and freight
    phone: 800-RIPPY-22
    <-- insert standard boilerplate about posts not necessarily representing my employer, etc -->

  15. #14
    wingnut2000 is offline Cadillac Owners Member
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    Re: Radio not working

    i checked the trunk release fuse and all the others and none were blown.

    Thanks for the diagram wish i wouldve had that before i replaced the module. I did for get to slide the arm on the module back through the dome light hole. would that matter at all?

    ----------

    i tried access the links on the diagram and it says i am not authorized to view them

  16. #15
    RippyPartsDept's Avatar
    RippyPartsDept is offline Hi, I'm Chris - Please Read My Signature
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    Re: Radio not working

    yes those links are behind GM's service firewall (i'm surprised that the images come through actually)

    i can get you the rest of the install/removal documents form those links if you want (PM me your email address so i can send them as PDFs)

    ....

    the only other suggestion that i would have is to put your old module back in and make sure it operates as it used to operate before you put this other module in

    if it doesn't then you will know something else is going on

    ....

    also, when you installed the module did you disconnect the battery?
    i know it doesn't say to do so in the instructions above but usually when working on electronics in a car it's a good idea to have the battery disconnected
    Chris Heath (RippyPartsDept) is an ASE Certified GM Parts Consultant at Rippy Automotive
    Rippy is a Cadillac, Hummer, Saturn & Saab dealership & Official Saab Service Center
    ~~ Family owned and operated in Wilmington, NC since 1946 ~~
    We offer all forum members discounts on parts and freight
    phone: 800-RIPPY-22
    <-- insert standard boilerplate about posts not necessarily representing my employer, etc -->

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