2021 F-150 Brake Controller problems
Long version of what is going on for a bunch of us is here: https://www.f150gen14.com/forum/threads/trailer-brake-not-working.3039/ Short version is that there is an intermittent issue with the TB...
Forum Discussion
Guessing that these fairly new 'highly integrated' OEM brake controllers are running in 'open loop' and the master/slave & it's lookup tables are a mess...not all the time, but occasionally gets into a state that the +100 computers get confused...ABS, traction control, sway control, engine/tranny computers, etc
Suggest to you all on that forum to consider a trial where one would install a P2, but leave all the OEM TBS wiring alone.
A dedicated trailer brake controller only deals with ONE external thing...the trailer brakes. Yes, it has inertia sensors, etc, but it is a standalone system NOT tied into the complex TV's systems.
Betcha the problem goes away
Suggest to you all on that forum to consider a trial where one would install a P2, but leave all the OEM TBS wiring alone.
A dedicated trailer brake controller only deals with ONE external thing...the trailer brakes. Yes, it has inertia sensors, etc, but it is a standalone system NOT tied into the complex TV's systems.
Betcha the problem goes away
