The TP sensor suggests the throttle plate angle. If the driver accelerates to large-open throttle, the TCM disengages the TCC to downshift. When the torque converter slips when driving, this can cause avoidable heating of the transmission fluid, which at some point can even grow to be so very hot https://torque-converter-clutch28036.thenerdsblog.com/39760522/torque-converter-clutch-can-be-fun-for-anyone