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That makes me feel a more comfortable about sending a TCM off to him/buying one from him... Hoping that i'll have the money to get it done, soon.

MadTuners and PCMPerformance both claim to be able to get into the TCM, but they both require the TCM to be mailed to them.

So I'm worthless :p

Oh well. Found a company that can tune the TCM. They require the TCM itself to be able to tune it, though, so I guess I'll own two TCMs... Still gonna get the VCM suite...

I've found two that claim to be able to do it... Just would like to be able to do it myself.

Is this TCM just to rare to bother supporting?

Will it be supported later, or should I just go ahead and get the TCM tuned by someone?

Hate to dig up an old thread, but has there been any progress on this, or will it be happening in the future?

How would i be able to tell which TCM it uses?

From digging around on Google, it looks like the GM 5l40e is apparently not supported by most people because of the Siemens TCM...

Hi guys!

So, since i first started driving, i've wanted a tuner. I finally have the income and the money to buy the VCM Suite, and i intend to do it in the next week... Just wanting to ask a few...