Me Again
Sunbird(Wa)/snowbird(Az)
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I have a 2021 F150 XLT 302a with IBC and Pro Trailer Assist. I had it in neighbors car port and walked over and disconnected the trailer and got the alarm just last week. I carry my fob in a belt pouch that I made. If I stick my hand in the door and unlock it, or disconnect the trailer with the motor running(I do that a lot) no alarm. I like the future as I tow my Can Am Spyder three wheel motorcycle back and forth between Arizona and Washington spring and fall.
2021 F150 2.7 Ecoboost - Summer Home 2017 Bighorn 3575el. Can Am Spyder RT-L Chrome, Kawasaki KRX1000. Retired and enjoying it! RIP DW 07-05-2021
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mkirsch
Rochester, NY
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Joined: 04/09/2004
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Tvov wrote:Seems I've found at least a temporary solution.
I work outside, landscaping, so I don't carry a phone or keys with me while working - don't want to lose them.
I leave the keys in the truck, usually under the seat or in the center console, and lock the cab when working. I use the keypad on the door to unlock the truck.
Last week I tried carrying the key fob with me when I walked away from the truck... and no alarm! So, at least in the last week, the trailer alarm doesn't come on if you remove the key fob from the truck. Weird.
Now I am going to see if the dealership can just shut off all the alarms related to trailers.
Not weird. Virtually nobody leaves the keys in their vehicle anymore. That's just asking for it to be stolen, even with the doors locked. First thing car thieves look for after they break in is a set of keys in a common location like under the seat or in the center console.
Yours is an unusual, rare situation. Your work situation is presumably fairly secure and allows you to leave the keys in the truck, even locked. Ford just didn't anticipate that in their logic. They assume you left the keys in the truck by mistake and set the alarm off to let you know.
Putting 10-ply tires on half ton trucks since aught-four.
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Tvov
CT
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Joined: 07/19/2003
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Seems that Ford knows about it and is trying to do something. This is part of a post on another F150 forum. There is a lot of discussing (and cussing) about this alarm issue in many forums:
https://www.f150gen14.com/forum/threads/........edly-f-150-produced-1-7-21-8-18-21.5905/
" Anybody have any updates on this? I just took my 7/21 KC built truck on a week long trip towing a 5x8 U Haul trailer. The only way I could avoid a false trailer alarm was to disconnect the 4 wire connector each time we locked up for the night. I don't pull a trailer very often but if there's now a fix, I'll have the dealer take care of it next time it's in the shop. --
No update yet as far as i know. Dealer is supposed to let me know when the fix is finally available. Arrival keeps getting pushed back...."
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2021 F150 2.7
2004 21' Forest River Surveyor
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Tvov
CT
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Joined: 07/19/2003
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mkirsch wrote:Tvov wrote:Seems I've found at least a temporary solution.
I work outside, landscaping, so I don't carry a phone or keys with me while working - don't want to lose them.
I leave the keys in the truck, usually under the seat or in the center console, and lock the cab when working. I use the keypad on the door to unlock the truck.
Last week I tried carrying the key fob with me when I walked away from the truck... and no alarm! So, at least in the last week, the trailer alarm doesn't come on if you remove the key fob from the truck. Weird.
Now I am going to see if the dealership can just shut off all the alarms related to trailers.
Not weird. Virtually nobody leaves the keys in their vehicle anymore. That's just asking for it to be stolen, even with the doors locked. First thing car thieves look for after they break in is a set of keys in a common location like under the seat or in the center console.
Yours is an unusual, rare situation. Your work situation is presumably fairly secure and allows you to leave the keys in the truck, even locked. Ford just didn't anticipate that in their logic. They assume you left the keys in the truck by mistake and set the alarm off to let you know.
I guess me leaving my keys in the truck is rare, but this alarm system seems to be far from rare and it seems to be random how it gets set off.
What I want is a simple way to shut the trailer alarms off.
(or, they fix it so it doesn't activate randomly!)
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mkirsch
Rochester, NY
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Joined: 04/09/2004
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Yeah but if taking the key fob with you keeps the alarm from going off, it's not random.
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Krusty
Calgary, Alberta,Canada
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There is a bulletin on this. There is a software update to resolve the false alarm activation
Krusty
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Tvov
CT
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Joined: 07/19/2003
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mkirsch wrote:Yeah but if taking the key fob with you keeps the alarm from going off, it's not random.
That is a "work around" that I found for me, at least last week. I'll see what happens this week. I am posting what I found in other forums to try to help others having this issue.
I would prefer not to have to find work arounds on my own, I'd rather the option to simply shut it off.
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Tvov
CT
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Joined: 07/19/2003
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Krusty wrote:There is a bulletin on this. There is a software update to resolve the false alarm activation
Someone earlier posted about that, but the link didn't work and I haven't heard from him.
Do you have any information about it? Links?
The only other thing I could find was that Ford knows about it, sent a bulletin to dealers about it, and are still working on the problem.
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Krusty
Calgary, Alberta,Canada
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TSB number is 22-2122. Vehicles built before Feb 22/22. False alarm due do various software parameters in Trailer Module. Update is for Trailer Module, Driver Door Module and Passenger Door Module.
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Tvov
CT
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Krusty wrote:TSB number is 22-2122. Vehicles built before Feb 22/22. False alarm due do various software parameters in Trailer Module. Update is for Trailer Module, Driver Door Module and Passenger Door Module.
Thank you! It is dated April 4, 2022, so it is pretty recent. I will contact my dealer.
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