Reprogramming keyless entry code, but horn-alarm goes off?
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Mountain Pass
Joined: Jun 2022
Posts: 162
Likes: 13
Reprogramming keyless entry code, but horn-alarm goes off?
2002 Excursion 4v4 7.3.
Truck was recently purchased. I am the proper legal owner. ( :-) )
The truck has Ford's keyless entry system (the keypad over the door handle). It may or may not have an alarm system installed, but it has remote start and a key fob that is not FORD-branded.
I have the factory code for the keypad (found on the sticker on the firewall). Everything I've read (including on the Ford website) says the reprogramming process is to enter that code, hit the "1-2" button, enter a new code, then hit the "1-2" button again.
I enter the code, the doors unlock, I hit the "1-2" button, and the horn starts honking. It only stops when I hit the "unlock" button on my remote.
Is the process different for these trucks? Is an alarm system messing with me?
Truck was recently purchased. I am the proper legal owner. ( :-) )
The truck has Ford's keyless entry system (the keypad over the door handle). It may or may not have an alarm system installed, but it has remote start and a key fob that is not FORD-branded.
I have the factory code for the keypad (found on the sticker on the firewall). Everything I've read (including on the Ford website) says the reprogramming process is to enter that code, hit the "1-2" button, enter a new code, then hit the "1-2" button again.
I enter the code, the doors unlock, I hit the "1-2" button, and the horn starts honking. It only stops when I hit the "unlock" button on my remote.
Is the process different for these trucks? Is an alarm system messing with me?
MUST GO FASTER!!!!
Joined: Aug 2020
Posts: 1,538
Likes: 356
From: Arizona
I strongly suspect the third party kit someone added is not in agreement with the trucks factory security system, we had a similar problem on my father-in-laws Ford Escape, we added the optional keypad to the door since he has a regular issue of locking his keys in the car, like at least every week or two, and half the time when he would use the code the damn alarm would go off, but it wasn't honking with the standard Ford pattern which is just a steady hong every other second, it was doing all kinds of mixed patterns like the newer systems do to simulate a real person pounding on the horn to get peoples attention. It would also go off on occasion all by itself with nobody and nothing anywhere near the vehicle....
We took it to a shop and they found some third party system was cross wired into everything, and we were never given anything but Standard Ford Keyfob's with the vehicle so I told them to gutt all the non-factory alarm system crap, and rip it out, 2 hours later everything works properly, no more strange alarming horn patterns, no more alarm going off when you enter the code, or at random when no-one was even near the vehicle.
Everything works exactly as intended now.
We took it to a shop and they found some third party system was cross wired into everything, and we were never given anything but Standard Ford Keyfob's with the vehicle so I told them to gutt all the non-factory alarm system crap, and rip it out, 2 hours later everything works properly, no more strange alarming horn patterns, no more alarm going off when you enter the code, or at random when no-one was even near the vehicle.
Everything works exactly as intended now.
Thread Starter
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Mountain Pass
Joined: Jun 2022
Posts: 162
Likes: 13
That's basically my plan: to find the alarm and tear it out... I've found wire-nuts from Home Depot under the truck, so every wire the P.O. touched is suspect until proven otherwise.
Plus, if I can get the alarm system out, I can use a $10 amazon/ebay key fob, and then I'll have two. :-)
Plus, if I can get the alarm system out, I can use a $10 amazon/ebay key fob, and then I'll have two. :-)
MUST GO FASTER!!!!
Joined: Aug 2020
Posts: 1,538
Likes: 356
From: Arizona
eh, i bought a set of those, one was DOA, one worked for a week and then quit, tried new batteries thinking maybe they sat on a shelf too long, nope, they are dead.
Ended up buying some OEM remotes on ebay for 20-30 bucks.
Ended up buying some OEM remotes on ebay for 20-30 bucks.
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