I already replaced the Throttle position sensor. Could I have gotten a bad one?

 

i doubt it.
i think you have a different problem. P1740 is where the computer fails to register the appropriate/expected engine rpm drop on the upper shifts and TCC engagement.

could be a lot of things. here's a good thread.
https://dodgeforum.com/forum/2nd-gen...1740-code.html

 

Well the list of possible problems is outrageously long for this code. Guess I might be taking it to the dealership to see if they can pin point the problem.

 

took it to a tranny shop, they say the TC isn't locking, need a new torque converter. Does this sound right?