Keyboard And Trackpad Unrepsonsive Afer Battery Replacement Macbook Pro 15 Retina Display Mid 2015

Chosen Solution

High CPU use, fans running full speed, keyboard and trackpad unresponsive after new battery was installed.

I would run diagnostics as well as TG Pro to try to isolate out whats failed. Often times I find the Trackpad cable fails MacBook Pro 15" Retina (Mid 2015) Trackpad Cable