2021 F150 trailer disconnect alarm issues
So, last fall I bought a 2021 F150 XLT 2.7. It comes with an amazing amount electronic "stuff", including a bunch of stuff related to towing. One weird thing is, with all the towing / trailer sensor...
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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.
