The TP sensor indicates the throttle plate angle. If the motive force accelerates to broad-open throttle, the TCM disengages the TCC to downshift. Pay attention for Uncommon Noises:  Spend shut consideration to any unusual Seems coming through the transmission region, especially during acceleration or deceleration.  Whining, clunking, or rattling noises  https://travisvvtqm.csublogs.com/40978298/what-does-torque-converter-clutch-mean