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Good Morning - here's my latest tune. Still can't get shifting 1-4 to be smooth. 1-2 worst. please give it review and let me know any suggestions.

thanks!143102

what are safe increments? 100 kPa a change?

Has anyone adjusted these tables? Mine for Patterns X,Y, and Z are all 0

141656

1-4 still bad - what pids do you use to trans tune? i know it has to be in there somewhere so i can catch it and post.

thanks

Solved - my TCM Read wasn't adjusting.

Took a new Full read - ECM+TCM
Ran tire and gear wizard
Saved and Wrote

the Speedo button area now shows Ratio and Trans at 4.10

and yes the overall...

Quick Question if anyone has adjusted this setting - on the Main list next to Engine, Transmission is Speedo - I upgraded from 3.23 Final Drive to 4.10, I've run the Tire and Gear Wizard and the...

Good Morning,

any recommendations on Remote tuners? I have a 2018 silverado, 6.2, 4.10 gears, and an unlocked TCM now.

Been trying to solve 1-4 sloppy shift, but too new to the skill to get it...

finally got a log - hopefully the right PIDs131785


Also here's the ECM
131786

131660

above is the latest - running it now and it helped.


this one was my attempt at shift points, used the numbers and scale from youtube videos. unsure if this one is safe to test or if...

I did make a few changes - here's the latest. runs better. but i'd like to work on the shift points - trying to read up on it. do you have a base tune for the 8l90 for reference?

i have recently swapped out the gears for 4.10, minor tuning to TCM release/apply. disabled DOD

I'd like to now tune the trans to shift better. 1-4 is terrible. i've posted my tune file here. ...

Good Morning,

I've started tuning the transmission to cleanup shifting and slip. So far I've done the TCC Lockout for 1st-6th Gear, helped a lot. Does someone have a base tune for shifting? 1st...

Good Morning!

I swapped to 4.10 gears from the 3.21 (3.23, maybe can't remember). in the TCM for Gear/Ratio is the below what you'd expect to see after running the Wizard to adjust Speedo?
...