Sunday, August 1, 2021

Factory keyless entry code location on 2008 F250 Super Duty

The factory keyless entry code is on a sticker on the back of the smart junction box (looks like a fuse box).

The smart junction box is on the passenger side footwell. Here's how I got my code. 

1. I pulled off the fuse panel cover. 

2. Pull up the tread panel. 

3. Pull off the trim panel over the smart junction box.

4. Remove the two screws shown here in the top right and bottom right of this picture. I didn't see the top left fasteners when I was working on it.


 

5. Use a small inspection mirror and flashlight to read the code. 

Here's where the code is on the sticker:

I also had to replace the keypad on the door because the 9-0 button wasn't working. That wasn't too hard. I just had to remove the door panel and there's a clip holding the keypad in place. 

The following information is from the owner's manual, pages 146-147.

Anti-Scan Mode (Keypad Lockout)

If you enter the wrong code more than 7 times (35 button presses), then the keypad light will flash and you'll be locked out of the keypad for a minute. You may not be able to see the keypad light in the daytime. But you can cancel this anti-scan mode by pressing unlock on your remote or turning the key to the on position. 

Creating a Personal Entry Code

This personal entry code is also associated with memory seats, mirrors, and pedals, if equipped. 

1. Enter the factory key code. 

2. Within five seconds, press 1-2. 

3. Enter your new five digit personal code. Enter a sixth digit: 1-2 if you're driver 1; 3-4 if you're driver 2.

4. The doors will lock and unlock as confirmation that the new code is entered. 

Erase all Personal Codes

1. Enter the factory code. 

2. Within five seconds, press 1-2. 

3. Within another five seconds, press and hold 1-2 for two seconds. All personal codes will be erased. Only the factory code will work.


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