Trans folder not showing up in tune

[Jason S.]

Am I missing something here? 2012 CTS-V Auto...shouldn't there be a Trans folder?

[GMPX]

That vehicle has an ECM for engine control and a TCM for trans control, you need to read the TCM as well.

[Jason S.]

That vehicle has an ECM for engine control and a TCM for trans control, you need to read the TCM as well.

How is that accomplished?

[joecar]

Connect to vehicle, select the appropriate transmission controller (T43), read the tune (i.e. ECM and TCM have separate and mutually exclusive tune files.

[Jason S.]

Connect to vehicle, select the appropriate transmission controller (T43), read the tune (i.e. ECM and TCM have separate and mutually exclusive tune files.

Ok, thanks!

[GMPX]

Or, better yet, if you are using EFILive V8, just press the "Auto Detect" button and it will give you the option to read either the ECM or TCM.