Thread: 6L80 questions
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Old 07-07-2013, 07:55 AM   #7

Rhino79's Avatar
Drives: 2010 Camaro SS L99/Auto
Join Date: Jul 2011
Location: Cabot, AR
Posts: 2,764
In efilive and hpt you should be able to change the vin number in the calibration (vehicle vin). The operating system in the 6l80 varies from model year and even 2-3 different systems for each year sometimes. Doing a full operating system reflash should be done with caution. I can't guarantee the results, I use what os came in the car.
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