How is the new Transmission flash effecting gas mileage?

Has anybody seen any difference in gas mileage with the new transmission flash? Seems like the kind of thing that would drive down efficiency.

 

I think it's to early to talk about mpg. I wouldn't rely on what display shows in terms of mpg, only "manual" calculation would be very close.
I dont care if I loose ~1mpg, better to have properly shifting trans.
Just my opinion.

 

I just had my ECU reflashed today (T-SB-0077-16). I gassed up last night
at odometer reading of 4,550 miles. Dividing that figure by total gasoline
purchased to date (201.009 gal - I was given a full tank upon delivery), I
have averaged 22.6358 mpg. I will now drive another 5,000 miles and
recompute.

 

Better on freeway it seems but worse around town. Since most of my driving is around town it dropped it a bit overall. But I don't think the changes are sticking I feel like the transmisson is reverting a bit. The learning mode after reset performed better. Wish I could just reset the ECU every time I started the truck.

 

But do you think your truck is a representative example with all the issues you've had? Oh wait, don't answer that.

ducks and runs for cover

 

After about 2k miles with the tsb done, my mpg has stayed same as before. Tank average is around 21-22 mpg. Feels much better though, as it will hold higher rpm's. Also, I don't have to give as much throttle to get it to downshift as often.