Pitch Bend doesnt work

Hello I cant seem to get my pitch bend to work.
it only works if i am in the cords page, and i assign pitch to the mod wheel, i have 2 controllers also...and both pitch mods never work...can anyone please help me?
it only works if i am in the cords page, and i assign pitch to the mod wheel, i have 2 controllers also...and both pitch mods never work...can anyone please help me?