Got two codes for the transmission control module and the throttle position sensor. The problem I'm having is when I accelerate my RPM's sky rocket to 4000-5000 RPM and I don't gain any speed. Has anyone had any luck with replacing the TCM and everything working back normal? Tips and suggestions are greatly appreciated.

 

Try cleaning the air intake and throttle body. If you need a new TCM, get a used one from a 02 jeep grand cherokee. The trans will shift smoother and hold the gears better. Not to mention you will likely see better mpg.