Actuator failure being caused by bad de-mandate tune?

[BRUDER01]

(03-22-2023 )Rawze Wrote:  Copy the program from the ecm and e-mail it to me. I will review it and let you know exactly what is in there... good, bad, or downright ugly.


you also did not mention what kind of engine you have. Cm871?. CM2250?. CM2350?.. X15?.

Maybe some other history of things that have been done to it to keep it healthy too.

here is a similar post.
http://rawze.com/forums/showthread.php?t...1#pid64641

This is a CM2250, a little more back story- the unit was tuned multiple times last summer before getting it where I felt it was acceptable- the lack of knowledge these tuners had was unreal, quite the disconnect between what they were doing and how it was affecting the truck.
4 months latter out of the blue I start to get a violent turbo bark when under any kind of load. Pulled over, straight into shop. Pulled turbo found excessive wear on veins decided to replace turbo- ran great for one day- starts barking again. Replaced actuator, starts barking again. Replaced exhaust gas back pressure sensor and that seemed to remedy my issues for a couple months- now that new actuator has failed. Time to dig deeper! I sent my file to Rawze just now. Interested to see what he finds.
I will pick up a terminal resistor and install that up line this weekend as well. Thanks for the input much appreciated.