How can I find the keyless door lock code for Grand Marquis 2009?

20

Asked by ritam33 Sep 20, 2014 at 04:36 PM about the 2009 Mercury Grand Marquis LS

Question type: General

Bought 2009 used Grand Marquis recently.  No keyless door code available.

6 Answers

The factory default code is stored in the ECU and can be retrieved with a high-end OBD scanner

1 people found this helpful.
5,465

It's not in the trunk on mine, I've read that it's on the lock module inside the driver's door. I haven't removed the panel to get to it yet.

2 people found this helpful.
5,465

I think the Electronic Control Unit is inside of the driver's door, and should have the code on it. A dealer can retrieve your code with the VIN, for a fee.

1 people found this helpful.
20

Thanks to all. Not located on door panel or inside trunk. Had dealer to reset it with new one. $40+ fee from manufacturer, they said. Works great now.

2 people found this helpful.

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