Code 43?

[Gabes13]

My car is spitting code 43( throttle position sensor) at me. Odd thing is, I replaced the tps in November. I checked the resistance, was at 0.36 ohms. Adjusted it to 0.56 ohms (Chilton says anywhere between 0.4 and 0.7 ohms is good). Adjusting the tps took away the studdering i had at 2000rpm, but still throws the code. I ran mode 4 on the ecu to check the tps, computer recognizes it (good), so what gives?