Yes, Anton is right. The exact translation of подвести is "let down". It can be referred both to things and people. 1) Мои друзья подвели меня.Я не могу им больше доверять.My friends let me down. I can't trust them any more. 2) Я не думал, что новая машина подведёт меня, но она сломалась в самый неожиданный момент. I didn't expect the new car to let me down, but it broke down when I least expected. Надеюсь, это помогло)

I think, that general health condition is normal, but certain organs can pull you (me, him, her) into trouble.

Eso quiere decir que algunos órganos pueden fallar

"to fail someone/something" (i.e. to not live up to expectations, to become the reason to blame for failure) is one of the meanings of the verb. Often used with people.