2005 Cadillac STS Logo
Posted on Apr 05, 2009
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2005 Cadillac STS door problem... Front driver door wont open from outside, seems as if the electronic system isnt responding to release latch when handle is pulled? Anyone have similar problem? All other doors work fine.

  • 2 more comments 
  • LexRoss Apr 20, 2009

    I had exact same problem on three occations, when the car wouldn't respond to ether keyless or door handles. First time that happened, I opened the driver's door with the key and alarm went off. On second occation, I was locked out with two remotes for 20 minutes, the key would not turn, I thought the lock might be freezing, so I took the key out of the lock and voila! the unlock button on remote worked! Last time I parked my car for 30 minutes and was locked out again. Only trunk would open (without using the remote key). Tried to open driver's door with the key, and the key would rotate freely in any direction without doing anything. Then again, after all that, the unlock button on remote unlocked the door. I think it all boils down to '05 STS poor ability to detect key fobs. And then you need to wait for a while for STS to reset itsels after few unsuccessfull attempts. The dealership coud not diagnose or to cure the problem. And it only happens every once in a while.

  • mende3309 Apr 24, 2009

    My driver door does not respond to the keyless automatic unlock feature. The passenger door works fine! The dealer says it's the driver door latch which has been on nationwide backorder for over 5 weeks! Until the part comes in, I have to use the key to open the door.

  • Anonymous May 10, 2009

    Driver side door will not open with the key fob

  • Anonymous Mar 17, 2014

    When I pull drivers door handle the catchy does not release any ideas what could cause this

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There is NOT a mechanical connection to the outside door handles on the front doors. There is an electronic "door popping solenoid" This is a electronic problem. I think there was a recall on this.

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  • Posted on Apr 05, 2009
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This "SOUNDS" more like a Mechanical Problem, Although Electronics Lock & Unlock there still are Different Linkages that do the Dirty work such as open doors and hood and CONNECTED to the Electronics Unlock & Lock Doors. In the doors there are Various Linkages that are attached to the Inside and Outside Handles, they go back to the Main LOCK Mechenism to actuate the Latch for opening the door, Seems as it iether its Not Unlocking far enough for outside to open OR The LINKAGE from HANDLE to Latch May have Come Off, as they are Held on only by PLASTIC CLIPS Door Panel Must COME OFF to SEE this.

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Power Door Lock Operation (Front Doors)
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Free wiring diagrams here http://www.bbbind.com/free_tsb.html
Enter vehicle info. year , make , model and engine size . Under system click body & accesories .Then under subsystem click power locks . Click the search button then the blue links

Cadillac CTS Door Handle Repair Micro Switches Replacement 2nd Gen
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