Same here. Does anyone know for sure what the last update was where they were functional? I would like to have them work from time to time, and I have a spare laptop.
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I don't know for sure. I think it's pretty much a lost cause. Cummins is on the horizon...
I just flash a 4th gear TCC locked in tow haul tune in when on the dyno.
I as well cant hold into 4th on the dyno. I have an LB7 so what gives? I want to click the button in EFI Live that I paid over 900 for and 5 other lic and have it work