unlocked ecm

T-man

New member
Jun 6, 2016
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Hi guys, just purchased a new to me 2018 ltz, truck came down from Canada and runs pretty well. Is there a way to see if this ecm is unlocked, tuned or ever been played with? Snap on scanner show calibration history buffer unlocked and number of calibrations history events at 10. Also complete regens were 61 with 25,563 miles and 18xx miles since last dtc's cleared.. Thanks in advance for any replies...
 

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