The TP sensor signifies the throttle plate angle. If the driver accelerates to vast-open throttle, the TCM disengages the TCC to downshift. Now it is possible to try out to use the push gear. Listen diligently If you're able to listen to any indications of sound from the torque converter. https://torqueconverterclutch58136.bloggadores.com/33183430/torque-converter-clutch-an-overview