Programmer Recommendation for 2015 GMC Sierra 2500 6.0 Liter


Looking to improve shift points while camper pulling on interstate and mountains. I have no idea where to set the shift points. I need the easy button. Tow mode. More of everything when I want it. Also easy to put back to stock for service / warranty visits. Any ideas? Thanks


Helpful Expert Reply:

The Edge Programmer part # EP26040 that you referenced is a confirmed fit for your 2015 GMC Sierra 2500 6.0 and does have the ability to increase shift firmness and RPM levels. I wouldn't recommend adjusting the shift points though as that's for wide open throttle shifting.

Best option would be to put this on one of the higher settings when you tow and then press the tow mode on your truck when you are towing and you will be ideal for it.

helpful expert reply by:
Jameson C

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