96 2 Door Tahoe 4wd / 5.3 Swap / CAI / Tune / Pacesetter LTs / Magnaflow / LED Dash / Novak A/C Bracket /
http://www.ls1truck.com/forums/lsx-t...ders-pics.html
You should ohm out the wires between the PCM and the TPS sensor plus double check the wires are going to the right PCM pin location. Have you tried swapping out to a known good TPS? Where are you located?
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709