Hey all. I posted a question not too long ago about my 08 Silverado surging. Was on my way to get a bedliner sprayed in today and when somebody pulled out in front of me I had to jam on the brakes. It sent the truck into limp mode. My check engine light came on and it was saying service stabilitrak and service traction control, reduced engine power. I had the codes ran and it was throttle position sensor. I figure this was probably causing the surging I was experiencing maybe. Has anyone replaced or adjusted one?After I limped to the bedliner placed it sat for about 4 hrs and it all reset itself and was fine except for the little bit of surging from a stop.

 

TPS is built into the t-body. Should be under warranty.