I have a 2021 Silverado with a 6.2 and a 10 speed. Do I need the TCM unlocked to change tire size and re-cal the speedo or is that in the ECM part of the tune? I am going to buy the new MPVI2+. ...
Type: Posts; User: s10mods
I have a 2021 Silverado with a 6.2 and a 10 speed. Do I need the TCM unlocked to change tire size and re-cal the speedo or is that in the ECM part of the tune? I am going to buy the new MPVI2+. ...
Hello, i just picked up HPTuners, looking forward to learning the new software.
Do you know what pins are used?
Thanks