Personally do not like too many “highly integrated” things on any of my vehicles, but resigned to it when/if I purchase a newer vehicle
Some things are best to be stand alone and trailer brake controller is one of them...IMHO
Another example is today’s 4x4 systems. Convenience the key operative and dumped down for fashion statement folks when check off almost every option list when they order
Dumbed down by increasing the smartness of the system
Ok Grit, I HATE today’s dash 4x4 controls. That extra two floor mounted 4x4 shift lever confused folks.
Plus another connivence feature is the removal of manual front locking hubs. Fools don’t know to engage the hubs before going into slippery conditions...or getting out and getting dirty...ok... even seasoned folks get into it before they know it
Gone were the days of shifting into 4x4, low while moving at about 20 MPH...feeling the gears match while giving it throttle...then homing it in and off you go
My Sub has dash 4x4 switches and a computerized system controlling two motors handling the transfer case lever. Have to dead stopped, else it grinds...just slams it in...and it takes a tech 4 hours to dial it in
What does this do with highly integrated trailer controller ?
Funny ABS, funny traction control, funny torque management, funny trailer braking, etc might be be any one or more of them...or a sensor that serves two master systems...
Also, my hydraulic brake designs had a common failure...PSI sensor leaks. Spare parts kits we supplied customers included several PSI sensors...
Anyway...off rant..