Hi, I had my Trinity tell me the same thing, about needing an unlocked PCM. I tried programming again and it worked fine. Maybe try it again if you haven't already. If that doesn't work, call Diablosport.
As far as the dash lights turning on and off by themselves, that happened to me too. It ...

Juanm3700 wrote:Hi I installed the update. It says it was successful but i dont see anything about transmission tuning

Did you notice any difference in how the transmission behaves?

Hi, could you please post what the update does?
Another user asked about shift RPMs, and the response was that they have not been changed, so what tuning changes have been made for the ZF8 tranny? Shift firmness, then?
We want to know what the update does, please!