2009 duramax tcm tuning

[Cougar281]

That's stupid. No wonder it's a 1000 and 1 count before my LMM will process the shift command. I wish someone could speed it up somehow.

I doubt that's the reason... the computers and data lines can process and send the data faster than you can push the button. I suspect it's more programming.

[duramaximizer]

Someone please speed it up somehow.

or enable me.

[DURAtotheMAX]

weird why they do things like that...

not really. One less wire in the truck, one less possible place for a short circuit, easier to diagnose problems, etc...

[DURAtotheMAX]

I doubt that's the reason... the computers and data lines can process and send the data faster than you can push the button. I suspect it's more programming.

I agree. Even low speed GMLAN is wayyy fast enough for everything in the truck.

Considering the speedometer and tach/instrument cluster get all their realtime data over low speed GMLAN (and not a dedicated VSS or tach signal wire), im sure its plenty fast enough to send an instant tap-shift request.

Adding a delay is because, DUH, this isnt a race car and GM didnt intend people to be using the tap-shift like they would in an automatic-equipped corvette or camaro....

ben

[duramaximizer]

Well my truck sure did get a lot closer to a corvette.

[DURAtotheMAX]

Well my truck sure did get a lot closer to a corvette.

then email GM, tell them you made your truck as fast as a corvette, and maybe they will send you a TCM calibration that has faster-acting tap-shifting.

[duramaximizer]

Thanks Ben!

You're a LOT of help.