I just flashed the 69 Silverado w/ 2014/2015 hybrid ecu and was successful. Reason its a hybrid ECU is it was sent to the tuner for them to erase VATS to start with and then once running, I would use my HPTuners to tweak little stuff when needed. Long story short, it was needed to relash the ecu with a 2014 file and Successfully deleted vats and truck runs. I am now in VCM scanner and want to look around and seems like absolutely nothing is there, go to DTC, and its just blank information. Controls and Special Functions is absolutely blank. It says its connected to the vehicle. Go to Start Scan and nothing starts logging.. Key is on, and also tried engine running.. no difference... any help? probably will make my own thread here in a bit.
thanks