Question about Mercury Grand Marquis

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I just bought a 2003 Merc. Grand Marquis with a keyless entry. The man I bought the car from never used it and didn't know the code. SO, I called the Merc. dealer service dept and they said that I'd have to have it put on a computer scope for about 50.00 to get the code! Is that right? Is there any other way to get it? Thank you!

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I had a 2005 merc moutainer and i found the code it by the rear seat belt under the cover

Posted on Sep 03, 2010

Testimonial: "Thank you so much for your response! I will go out and check that out ....see if I find it! Thanks again."

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2 Answers

How do I change the keyless entry code for 2000 mercury grand marquis


1.locate and enter the factory set code(taped to the computer module also located on trunk lid. 2.press the 1/2button within 5 seconds of step 1. 3. enter your personal 5 digitcode within 5 seconds. Allthedoors will lock and unlock to confirm programming of the new code.

Apr 02, 2014 | 2000 Mercury Grand Marquis

1 Answer

Brought a grand marquis and do not know keyless entry code


Have to go to a dealer with your VIN # & Vehicle Tittle

They will give you the factory code

Have then write down how to change it,
if you have no owners manual

Owners Manual --Buy One @ Helm.Com

Jul 24, 2011 | 2005 Mercury Grand Marquis

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Need to find the computer module with the factory keyless entry code for a 2003 Mercury Grand Marque GS


the code is usually found on stickers on the trunk hinges. if not remove the drivers door panel, the code is on the module that is in the door. use that code to access all functions including setting your own code.

Sep 04, 2010 | 2003 Mercury Grand Marquis

1 Answer

Don't have the keyless entry code


they use to have them on the trunk hindge but they stopped that go back to the dealer and insiss they give you the code number. You have options BBB or AGs office in your state, car dealers are th%$f do not pay hope this helps CJ

May 27, 2010 | 2009 Mercury Grand Marquis

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How to change the keypad code on a 2001 mercury grand marquis


look for the permanent code on the plastic card in the owner manual packet. Or, pay dealer to extract code from computer.

Keyless Entry Keypad Code Programming NOTE: The system only allows one code to be programmed.
  1. Enter the permanent factory keyless entry keypad code.
  1. Press the 1/2 button within five seconds to activate the programming mode. Holding the 1/2 button for more than two seconds after activation will erase the stored customer code . The door locks will lock, then unlock, confirming the code is erased. The existing code will not need to be erased to program new a code.
  1. Within five seconds, enter the new five-digit keyless entry keypad code. The door locks will lock and unlock to confirm the new code is programmed.

Feb 08, 2010 | 2001 Mercury Grand Marquis

1 Answer

Keyless entry system problen


I you have your manual in there,If you know your door code input in your door code and prees 1/2 at the same time,then press any button on your keyless remote,then press 7/8.

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Factory Keyless Entry Code


had the same problem when i bought a used 2004 grand marquis from the ford dealer.  the code is associated with the vin and had to be looked up by the dealer.  as far as i know the code is not located anywhere on the car.  after getting mine i wrote it inside the door frame on the driver's door.

Jul 18, 2008 | 2004 Mercury Grand Marquis

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