Best way to swap from 5.3L auto to manual is start with a 4.8L or 6.0L manual file of the same year then tune the engine part of the calibration for...
No one can just send you a tune without at least knowing details of the calibration in the PCM you are using. There is not just one calibration that...
Thank you! Can anyone confirm what the wiring differences between the p01 and p59 are? Or if anyone has switched from p01 to p59? Im curious about 2...