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So what is the reason for the failure? Everything was working fine up until this update attempted to install on 12/9. Just saying "its a hardware failure, nothing we can do, buy a new $400 device"...

The update I'm referring to was either a firmware update or a resync update, unfortunately when it launched and started it did not specify what it was doing in the scanner program. It just started...

Just as a further update from the emails I received from Support, I'm now being told that it is an internal failure but they can't give out any info as to what has failed or why. So it apparently...

I've already submitted a ticket for this and the end result was I'm being told that the interface has failed and I need to purchase a new one since I've had this MVPI2 for a few years.

Long story...

Back a few months ago I converted my 2018 Sierra 6.2L to use E85 by adding the alcohol sensor and modifying the tune to enable E85. Fairly standard and so far I've been doing some data logging on...

Does anyone have a stock file for this? I am looking to compare my truck to a known stock file just in case it was modified at some point.

Yes, that is the part # and that is what I ended up getting. My main concern was all the other codes that appear on the sticker. I went ahead and got one yesterday so hopefully I can get it...

I have a 2018 Sierra with the 6.2L/8 speed transmission and would like to get an extra T87A TCM so I can swap out the original and keep it unchanged. I do not want to have it unlocked for tuning at...