In the course of most of the operation time of your torque converter, the speed match between the impeller and turbine isn't accomplished. At cruising pace, the torque converter can only pass about 85 % of your engine energy for the transmission. The TP sensor suggests the throttle plate angle. https://torqueconverterclutch10741.bloguetechno.com/the-fact-about-torque-converter-clutch-that-no-one-is-suggesting-69098869