[6s+] iPhone 6 plus home button short

[blackcats]

hello
i have iphone 6 plus that before 1 month was replace to him touch ic
now it become with strange problem.
when i press one click on the home button the iPhone freeze and dont respond to nothing and cpu becoming hot.
when i disconnect the home button the iphone work perfect.
i changed new home button and main cable and the same!
i dont know if there is any connection between the touch ic to that problem!
thank for all help