Cadillac Escalade Camshaft Camshaft Sensor

I Try To Remove The Camshaft Sensor It Broke Some On Me Can Remove It It Seem Like It Swell Up An Suggetion How To Remove It

I Am Trying To Replace The Camshaft Sensor On My Vehicle Listed Above. Can You Tell Me Where It Is Please?

I Need To Change The Camshaft Position Sensor But I Cant Find It Where Is It? Also Is The Ecm And Pcm The Same Part Or Are They Different?