Wrench tool problems

[Mr.tyson]

I have a 06 mustang s197 I'm getting a wrench tool icon funny thing is I have changed out every possible part it could be but still persist to have this problem the code it's throwing is a p2123 code
Parts I've changed out concerning issue

New throttle body
Tps sensor
New accelerator pedal

It is a drive by wire throttle body of course ..the wrench light only comes on when I hit speeds from 40 to 80 then I feel a loss of power and throttle response becomes sluggish any body have any suggestions for a possible fix

 

[fiftyslost]

I have a 06 mustang s197 I'm getting a wrench tool icon funny thing is I have changed out every possible part it could be but still persist to have this problem the code it's throwing is a p2123 code
Parts I've changed out concerning issue

New throttle body
Tps sensor
New accelerator pedal

It is a drive by wire throttle body of course ..the wrench light only comes on when I hit speeds from 40 to 80 then I feel a loss of power and throttle response becomes sluggish any body have any suggestions for a possible fix

Maybe the MAF sensor needs cleaned.