Hello everyone, I am wondering what (if anything) the ECU needs to know the transmission's gear ratios for on a manual transmission car. I never realized that manual transmission ECUs were programmed for the gear ratios until I saw a video of someone explaining the menus in KPro and got to the gear ratios. Ever since then I have wondered why the ECU would need to know the ratios as I can't think of a reason. If someone would mind explaining that to me I would greatly appreciate it. Thank you very much in advance, any information would be greatly appreciated!