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Cadillac STS Forum - 2005 through 2012 Discussion, Drivers door wont open? in Past Cadillac Vehicle Discussion; Originally Posted by AllGoNShow Don't use water if you can help it! Never good for metal or electronics. I will ...
  1. #16
    adrian1747 is offline Cadillac Owners Member
    Automobile(s): 2006 sts
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    Re: Drivers door wont open?

    Quote Originally Posted by AllGoNShow View Post
    Don't use water if you can help it! Never good for metal or electronics. I will get a picture for you once it stops raining this morning. Definitely helps with the door open sensors but won't help if your module can't detect you have a key fob (dying module or low battery on key fob). Mine can sense there is a key fob, door lights up and everything, it just won't "pop" so this is what the fix is for.
    I really appreciate your help. That's exactly what my door does, it unlocks all the doors when i pull the door handle but it just wont open. Hopefully it stops raining soon.

  2. #17
    AllGoNShow is offline Cadillac Owners Enthusiast
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    Re: Drivers door wont open?

    Well I was going to take a picture for you but someone showed up with cash and took my car If you open your door handle, take some electrical contact cleaner, pull the handle open as far as it will go. You will be able to see the plastic tracking that the handle is sliding on, put your nozzle on your cleaner, stick it in to that track as far as it will go and let it spray for a good 10 seconds, part of it is going to be cleaning, the other part is just going to help move the debris away from the sliding area (on to your window if it is open haha ). You may have to do it once or twice or a few times over a few days to get it all, I find open/close/open/close, spray spray, open/close/open/close, spray spray, open/close go drive for a day or two and see how it goes. The pulling of the handle will also help loosen whatever is stuck in there.

  3. #18
    Cadi D is offline Cadillac Owners Member
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    Re: Drivers door wont open?

    Hey AllGoNShow,

    Really appreciate your help in solving this problem with the door. I have a 2006 STS and the drive door would not open and the other three doors would just unlock. After reading your suggestion, I went to Walmart and bought a can of the QD Electronic Cleaner and spray into the handle with holding the handle open, sprayed about 1/4 of the can using the nozzle. At the same time, I'm moving the door handle open and close several times. After about 3-4 minutes, the driver door starts to operate fine and freely and it sounded better too. I removed the small black plug above the door latch and spray cleaner in there and point it down. Next I sprayed around the latch on door and above the latch to clean out all the gunk. By then, the opener in the door was working very smooth.

    You've been very helpful.
    Danny

  4. #19
    AllGoNShow is offline Cadillac Owners Enthusiast
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    Re: Drivers door wont open?

    Quote Originally Posted by Cadi D View Post
    Hey AllGoNShow,

    Really appreciate your help in solving this problem with the door. I have a 2006 STS and the drive door would not open and the other three doors would just unlock. After reading your suggestion, I went to Walmart and bought a can of the QD Electronic Cleaner and spray into the handle with holding the handle open, sprayed about 1/4 of the can using the nozzle. At the same time, I'm moving the door handle open and close several times. After about 3-4 minutes, the driver door starts to operate fine and freely and it sounded better too. I removed the small black plug above the door latch and spray cleaner in there and point it down. Next I sprayed around the latch on door and above the latch to clean out all the gunk. By then, the opener in the door was working very smooth.

    You've been very helpful.
    Danny
    Awesome Glad I could help out. Mine got to the same point I would say approx 10 months later, some more cleaner cleaned it right up so keep that stuff handy in your garage . Also works good on any electrical connection that you pull apart, helps keep it clean and keep debris out so if you are doing anything else electrical with connectors that your having problems with, use that stuff too .

    1/4 can sounds right, I think i was approx 1/2 can by the time I was done but I was getting a little carried away to make sure it was all clean.

  5. #20
    EChas3's Avatar
    EChas3 is offline Cadillac Owners Master
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    Re: Drivers door wont open?

    Anything worth doing is worth over-doing?

    Go Cards! (Now tied!)

  6. #21
    AllGoNShow is offline Cadillac Owners Enthusiast
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    Re: Drivers door wont open?

    Quote Originally Posted by EChas3 View Post
    Anything worth doing is worth over-doing?

    Go Cards! (Now tied!)
    Step away from the booze old man

  7. #22
    scott9001 is offline Cadillac Owners Fanatic
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    Re: Drivers door wont open?

    well on the topic i just bought my sts about 3 weeks ago and if u have the fob in your pocket and pull on the drivers door handle it does not unlock but do it to the passengers side it does what should i look at?

  8. #23
    Greg00coupe is offline Cadillac Owners Enthusiast
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    Re: Drivers door wont open?

    Scott, there are 2 things that seem to go wrong. IF a door does not respond at all its the antenna in the door handle. There is one in each front door handle. If went you pull the door handle and that door does not unlock but the other 3 do that indicates your antenna is working but the relays to that front door are not. That is what the spraying described about fixed. So you have a problem with the drivers door and what to look for is based on if its totally dead or the other 3 doors work. If the antenna that requires a new door handle and needs to be painted. Who designed that??? Mine is the relays.........they work off and on.

  9. #24
    scott9001 is offline Cadillac Owners Fanatic
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    Re: Drivers door wont open?

    wow greg what a quick responce maybe il look into it after work before it goes into storage for the winter thanks bud!

  10. #25
    Greg00coupe is offline Cadillac Owners Enthusiast
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    Re: Drivers door wont open?

    Scott, just curious why would you store it??? My STS is my winter car. I store a Corvette.

  11. #26
    JackG is offline Cadillac Owners Fanatic
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    Re: Drivers door wont open?

    THis happened to me for the one day but its been a long time now and its been fine. Actually alot of things on this car seem to fix themselves after a while

  12. #27
    602fl is offline Cadillac Owners Member
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    Re: Drivers door wont open?

    Experienced the same problem with my 06 STS. Took it to the dealer and they pulled the inside door panel and the connections had some corrosion on them and the wires were frayed. Cleaned the connections and tied down the wires to prevent any further fraying. End result $73.06 and 1 hour of their time.

  13. #28
    ambitionist is offline Cadillac Owners Member
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    I'm gonna try this electrical cleaner soon, I'm having this issue with my passenger side door in which it detects the fob but won't pop or open.. The driver side works fine... Hope it fixes it

  14. #29
    dannyquest is offline Cadillac Owners Fanatic
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    Re: Drivers door wont open?

    ambitionist, I didn't have any luck with sprays. A bad switch is just a bad switch. Sprays won't repair it.Danny

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