The TP sensor indicates the throttle plate angle. If the driving force accelerates to large-open up throttle, the TCM disengages the TCC to downshift. Pay attention for Unconventional Noises:  Pay out near interest to any unconventional sounds coming through the transmission spot, Particularly for the duration of acceleration or deceleration.  https://damienmgtgr.blogocial.com/new-step-by-step-map-for-torque-converter-clutch-69745566