Question about 2005 Cadillac STS

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NO FOB DETECTED

Im trying to start my 2005 sts cadillac but it continues to give me the message NO FOB DETECTED I tried using both transmitters, but neither are recognized

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  • GasparMacari
    GasparMacari May 11, 2010

    was ur battery disconnected for a few hours?

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Slight glitch from what I've found. Has happened to me at the gas pump. One other time while talking outside my car with out opening the doors. If No FOB detected then step out of the car lock and unlock, get back in and try. If still dosen't detect then you need to walk twenty feet away with your key and it should reset.

Posted on Dec 03, 2009

  • cadillad
    cadillad Jan 28, 2010

    But when these fail you need to re-learn your FOS remote. Open the center console, bottom corner you'll find a slot where it fits. Slide it in, press brake and start. Once it starts, remove the remote and your back on track.

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I have known this problem to only happen when it gets cold

Posted on Dec 18, 2009

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Check you keyless entry remote control and change the battery.

Posted on Dec 16, 2009

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1 Answer

Key fob not working


Steve, did you try to remove the battery from the FOB to make sure that is the cause? If you did and you are sure of it, the FOB keeps transmitting even though you are not pressing the button. Have it check by any reputable alarm guy. You don't have to go to the dealer.

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I get this with my car and it is usually because it cannot sense the fob in my purse, so I move the purse to my lap. Other reason is the battery is getting low in the fob and needs replacing - at least that is my experience with my 09 Cadillac STS.

Jan 04, 2014 | 2009 Cadillac STS

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No fobg detected


Rate This Answer
if u mean what i think u mean...that means the battery inside the FOB (thing you use to unlock the doors) is low, take the back off and replace the battery.

Oct 21, 2012 | 2005 Cadillac STS

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I changed my battery in my 2005 cadillac sts, and now it is showing that the starter is locked. fob locks and unlocks the car, but i can't get car to start. what do i do?


you can try this, with the battery connected lock the car using the key fob, make sure no keys are in the ignition. Disconnect the battery again and let it sit for 30 min or so, reconnect the battery and using the key fob unlock the car, it should start, if not repeat the procedure and insert the key into the door lock to unlock the car, both of these solutions should reset the security system. Good luck.

Sep 09, 2012 | 2005 Cadillac STS

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How do i get the anti theft devise to let me start my 2005 cadillac sts after changing battery


accsess fault memories and erase trouble codes , u need a code reader for that

Sep 09, 2012 | 2005 Cadillac STS

1 Answer

My key fob has quit working and it tells me no key fob detected. My car is a 2006 Caddie STS. Both fobs have stopped working.


Mine did the same thing. I put the fob into the reprogramming slot located in the center console and was able to get it started by leaving the in the slot. Hope it works for you.

Sep 11, 2011 | 2006 Cadillac STS

1 Answer

2005 sts wont start. Says no FOBS detected. Please help?


Are both FOBs doing this? If it's only one I would replace the FOB battery.
NO FOBS DETECTED Message on DIC, No Crank/Start Unless Fob in Center Console Pocket or Remote Keyless Entry (RKE) Button Inoperative (Replace Remote Control Door Lock, Theft Deterrent Receiver Assm) #04-08-52-008

Tell the Dealership to look at this. They should be able to fix it quickly.

Keep us updated.

Feb 08, 2011 | 2005 Cadillac STS

1 Answer

My 2006 cadillac sts key fob all of a sudden is not working it says no fob detected and i have the fob what can b wrong??


Check the fob battery you might need to replace it, The battery only has about a 3 year life

Sep 19, 2010 | 2006 Cadillac STS

4 Answers

My 2006 cadillac sts key fob all of a sudden is not working it says no fob detected and i have the fob what can b wrong??


Some late model fobs contain electronics beyond the push buttons.
Batteries are replaceable...small screws may let you do this.
If the battery is not the cause....a replacement fob may be expensive. A road service technician can probably troubleshoot and replace cheaper than dealer !

Sep 07, 2010 | 2006 Cadillac STS

1 Answer

My fob does not open my doors can not even get in my car it takes 15 min of constant pulling of door handels to get in


Two things to check:

Replace the fob batteries or reprogram. Here's how to reprogram them:

Connect a scan tool.
Select diagnostics.
Select body code.
Select body style code.
Select other.
Select remote function actuator (RFA).
Select special functions.
Select F0 program key fobs.
Choose the fob number that you wish to program.
Follow the screen prompts in order to complete the programming procedure.
Press and hold the lock and the unlock buttons on the transmitter being programmed. The door locks will cycle. This should take about 15 seconds.
Proceed to the next transmitter and repeat steps 1-11 until all of the transmitters are complete.
Exit the remote keyless entry (RKE) programming.
Disconnect the scan tool.
Cycle the ignition. Test the transmitters for proper operation.

Mar 02, 2010 | 2005 Cadillac STS

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