One thing to note, I am fairly confident that changing H0105 will adjust the needle in the dashboard without affecting the speed registered in the ECM. So if you scan SAE.VSS and you see 60mph, and you are actually traveling at 60mph (as verified by some external source i.e. gps) but your speedo needle
shows 90mph, then adjust H0105 to alter just the needle position.
Let me know how you go with setting up the speedo.
Any feedback will help me improve speedo configs in future.
Regards
Paul