Originally Posted by mrnoyb
If the vehicle is towing a trailer and the system detects that the trailer is swaying, the vehicle brakes are applied without the driver pressing the brake pedal. If the vehicle is equipped with the Integrated Trailer Brake Control (ITBC) system, StabiliTrak may also apply the trailer brakes.
It seems to me, applying only the TV brakes is the wrong thing to do. It will make the sway event worse. During a sway event, the proper reaction is to apply only the trailer brakes. Hopefully, the OEM system does the proper thing.