engine brake failure

[RKeeler]

08 2500 standard trans.E brake quit.fuse 37 ok. any suggestions? thx

 

[Wiredawg]

did it throw any codes? just replaced my turbo, but cause was sticking EB.

 

[cerberusiam]

Probably a problem with the turbo controller motor, thats the usual failure.

 

[RKeeler]

thanks for reply..no codes .has smarty.fuse 37 looked good.changed anyway.took out and it worked..back home shut down tried again not working but fuse looks fine.any thoughts? thanks Ron

 

[RKeeler]

did it throw any codes? just replaced my turbo, but cause was sticking EB.

have smarty.got code po102 and po121.thanks