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I'd like to return my unlocked TCM back to stock. If I have GM re-flash back to stock, will the TCM become "locked" again? Im going to want to re-install aftermarket tunes in the future.

Cadillactech,

I have modified VTT tables in 5-10% increments to 50% of the current settings from the tuner that built the car without any effect on the throttle closing. The other tuner uses...

Between 2 professional tuners and my own tunes, I have made over 100 attempts at resolving the throttle closing issue without any improvement. Has anyone tried using a Cadillac dealer / mechanic to...

I think the manifold pressure numbers you are seeing are absolute pressure (Dsrd boost and Abs Boost). I used HiRes Boost for manifold pressure data and 'm seeing about 21psi (gauge pressure) max on...

Thanks for the simple yet detailed explanation. I am a rookie tuner.

It seems like I better start getting educated since I have 2 tuners that have both failed to get the throttle closing /...

112190

Thanks for taking a look.......

.hpt file attached.

I have the far-too-common throttle closing issues, but ONLY during part throttle. WOT throttle (and less than say 20%), car works great. But, anything between 30 and 90% accelerator position, the...