I see this thread is old but I don't know how to do this forum thing yet . I just installed and setup diablosport trinity in my 04 Yukon denali and the end result was the same ...I'm for sure my vats locked me out . I can turn key , have all light but no starter . It stopped communicating with my ...

Hey guys I'm really jammed up here . I literally just got my trinity , did all its updates online then proceeded to go to my vehicle to install and setup . In the beginning everything seemed to be fine , followed instructions and trinity was installing its performance tune . Then right as it ...