I'm getting the Trouble codes P2122, P2127, and P2138, all related to the Throttle Position Sensor. O'reilly's Auto Parts says the entire kit is $210. Is the an option to only purchase the sensor and not the entire pedal kit? This is for a 2018 RAM 1500 Laramie Longhorn 4 x 4 with a 5.7 HEMI.