06 F350 Key Fob Follow Up

Steve@Advance

Well-known Member
Thanks everyone, got the lock cylinders changed, the fob's reprogrammed.

Bought a new fob, programmed it and the old one, so now the stolen one should be disabled. That was the part I was unsure of, but I see now that if it isn't there to be programmed, it will no longer work.

The keyless entry push buttons shouldn't be a problem. He said he never used them, never looked up the code, never assigned a code. She wouldn't have known how to access any of that.

Thanks again!
 

Thanks for the update... The push button deal is a nice I have change a few to the customers like'N on a Ford I don't remember the model but it was EZ to do once I got the code off the sticker on the the module. The code was EZ to see once I located the module locating it was the hard part...
 

When you enter the programming sequence it erases all transmitters first, then you program the new and/or existing transmitters all at the same time. It's a good thing for if you lost a fob, or one got into the wrong hands.
 
The old ones are not really disabled in that sense. They are not changed at all. What happens is that any new ones, or old ones, are reprogrammed along with the transmitter/receiver in the vehicle at the same time. Some vehicles allow one time programming, after that the fobs can't be changed again. Probably not that way on the Ford. New Dodges with the keyless fobs are that way.

Back to the question: The "codes" that allow the fobs to communicate with the vehicle have to be changed all at the same time along with the receiver in the vehicle. It "re-writes" over any previous information. Any existing fobs are not changed if they aren't present, thereby disabling them for that vehicle.

I know, a long explanation for a simple result. Hope it helps.
 
on my 99 350, it woud only work with one fob at a time. If I programemd one, my 'spare' would not work.. etc. even if both were setting ont he dash while i was doing the foot pump-brake and key turn dance thing.


reminfds me. I need to write those steps down when I remember so I can program my spare fob when the first one dies .. again. :)
 
Not sure if it's the same on ford but most fobs I've done, the fob has fixed "address" number in it and you just are programming the vehicle to memorize a list of acceptable addresses to accept commands from.

Maybe the newer 2 way fobs are fancier. The old style only send commands one way to the vehicle.
 
Because when you turn the key 5 or6 times and the locks go up and down now.......the computer has reset itself. Then quick as a bunny you take your new FOBs and hit lock and then unlock to reprogram the computer. Read the manual. Tells ya how.
 

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