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Old 07-16-2016, 01:52 AM   #1
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2002 Focus Keyfob programming

Howdy all!

I have been trying to program a new set of keyfobs for my 2002 Focus.

I have a working one, I just need two more added on, so I know the vehicle responds to them.

I have three working chip keys as well and attempted programming with all 3 key and keyfob combo's in the vehicle with me at the same time.

I can get the vehicle to go into programming mode (the chime sounds after the 4th key cycle on/off) but I press and hold any button on the new fobs and nothing happens. I replaced the batteries on the new fobs, and even tried programming a known working keyfob (from a friends' 2003 Explorer) and still no confirmation from the vehicle.

I also tried reprogramming my current one. I will hold down the lock button but after 10 seconds, no chime from the vehicle, but the doors then lock and alarm.

Any suggestions?


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Old 07-16-2016, 05:58 AM   #2
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You don't swap keys around when doing the fobs, separate process. Fobs get added using only one key, but all the fobs you want to use in succession.

"Chirp" from the horn or other signal isn't always present. Just test fobs for function after going through the procedure.
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Old 07-16-2016, 11:59 AM   #3
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No response from the FOBs after I attempt to program them in. I also bought (and subsequently returned) another aftermarket FOB from my auto parts store today. No dice. Is there something that could be preventing the vehicle from learning new FOBs despite being in programing mode?
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Old 07-16-2016, 01:06 PM   #4
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Test the batteries in the new fobs?

IDK, if you're actually in programming mode the ORIGINAL fob needs to respond to be programmed into the car. If you tried to add new ones and didn't program that one as well, it would no longer work.

If you try it without programming in the original, and it quits working, you know you were in programming mode & it was working.
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Old 07-16-2016, 02:08 PM   #5
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Good point. The original fob is not responding to be reprogrammed to the car. But it's confusing. Cause I cycle the ignition from on to off 4 times, the 4th time to off the vehicle chirps. If I press any buttons on the original fob after the chirp, there is no response from the vehicle, even if I hold one of the buttons down. If I continue to hold down a button on the fob after 10 seconds, the vehicle exits programming mode and the doors will lock/unlock (depending on which button I'm holding down). So I am confused if there is more than one programming mode for this vehicle.
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Old 07-16-2016, 02:39 PM   #6
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Oh Sheet, you can't program it when the key ends up in the "off" position!

Last turn of the key needs to be to the on position, nothing will happen with the car turned off except for your original fob still working.

The count is for the number of times it's turned on, not each movement of the key.

Exact count sounds correct, I'd have to dig out the manual to confirm the procedure listed there for mine.
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Old 07-16-2016, 02:57 PM   #7
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Direct from the owner's manual:


Now since it does chime when I switch to off for the 4th time, I will switch it back to on and see if that makes a difference.
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Old 07-16-2016, 03:31 PM   #8
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Mine does NOT say that.

1. Close all doors and fasten the driver's seat belt to ensure conflicting chimes do not occur during the procedure.

2. Put the key in the ignition.

3. Turn the key from the 2 (off) position to 3 (on).

4. Cycle four times rapidly (within 10 seconds) between the 1 (off0 position and 3 (on). NOTE: The fourth turn must end in the 3 (on) position.

5. Within 20 seconds press any button on the remote entry transmitter. NOTE: If more than 20 seconds have passed you will need to start the procedure over again.

6. Repeat step 5 to program each additional remote entry transmitter.

7. Turn the ignition to the 1 (off) position after you have finished programming all of the remote entry transmitters.


Edit - it's for 2004, not 2002, but I've seen differences in listed procedures posted here be a problem before, and manuals that didn't have the latest correct information as well.
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Old 07-16-2016, 03:55 PM   #9
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Not your fault if the other method works, you followed the book.

I may be full of it, but I can't see it making sense to enter programming mode with the car turned off.

Electronics need juice to work, and unless it's set up like some other items with a timer for shut off after the key is turned off, or an always on circuit that's triggered by the key procedure, it can't work that way.

See that? I managed to contradict my own assumption (grin).
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Old 07-16-2016, 05:12 PM   #10
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I tried your method. Still couldn't get it to work.

I really want to bash the ECM to pieces with a hammer!

Yeah, the dealer stated it was cycle from off to on 4 times, stopping at off. Hearing the chime means it has entered learn mode. Why it won't relearn the current remote, the new remotes, or the old remote (I found in a junk drawer, just needed a new shell), they couldn't explain.
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