Welcome back and absolutely I'll try my best to help. You are always welcome here.
DTC P0741 - Torque Converter Clutch (TCC) System - Stuck Off
DTC P1811 - Maximum Adapt and Long Shift
The aforementioned codes are specific to hydraulic pressure being applied to the torque converter clutch. To answer your question, the throttle position sensor certainly can contribute to this issue because the transmission control module (TCM) requires accurate information from the PCM to determine shift timing.
Codes 1125 and 2138 are for the accelerator pedal position sensors 1 and 2. The code is saying there is a difference in the signal voltage between the two which should be equal.
If you look below, I attached the diagnostics for the 1125 and 2138 which are tied together. I feel this is the place to start because it can be causing issues with the other components. If the TCM doesn't know the correct information from the throttle actuator control system, it won't know when to shift.
Take a look through the directions and let me know if you are comfortable performing them.
See pics below Note: The last pic is simply showing the APP switch.
Images (Click to enlarge)
Wednesday, October 5th, 2022 AT 6:43 PM