brake pedal only works 5% in assetto corsa only

hey guy scraching my head abit i have v3 inv pedals and all the settings in menu show brake is ok but no matter how hard i press it it only comes on abit i hear the brakes working but only about 5 percent and tried all my other games and brake is fine im using driver 365 and firmwhare 1.30 and have it connected via USB

i have tried manually tuning the brake and nothing happens

other info

assetto corsa modded content manager

also running fanalab 1.23 beta

dd1 wheel base pc driver365 wheelbase fmwr 672 motor firm 38

universal hub

handbrake running off pedals(could this be a issue)

fanatec dampner on brake

and shifter

any help would be great thanks for any help