what is tcu tuning RSS
ECU vs TCU vs CPC Tuning — What's the Difference?
If you're researching Mercedes-AMG tuning, you've probably encountered three acronyms: ECU, TCU, and CPC. All three are separate computers in your AMG, and each one controls a different part of the powertrain. Tuning all three gives you the complete performance picture — but which do you actually need?Quick Comparison: ECU vs TCU vs CPC Module Full Name Controls What Tuning Does ECU Engine Control Unit Boost pressure, ignition timing, fueling, air/fuel ratio Increases horsepower & torque output TCU Transmission Control Unit Shift points, shift speed, torque converter lockup, launch control Faster shifts, better power delivery CPC Central Powertrain Controller Torque...