2008 avenger stuck in limp mode i changed both speed sensors,TCM,and trans solenoid nothing works, getting codes p700 and p0750

 

Fluid and filter.

 

Yes i also changed fluid and filter

 

For those codes, the only real solution is to acquire a scan tool that will communicate with the transmission control module. Extracting this code from the TCM will be the first step in repairing the fault in the transmission.