A DSG mechatronic is a computerized control unit in a dual-clutch transmission (DSG) that manages the clutch and torque converter. It’s found in many Audis and Volkswagens. How it works The mechatronic unit uses sensors and valves to open and close clutches at the right time It processes sensor signals, measures RPMs, and operates the valves It works with the engine control unit to determine when to change gears Signs of failure Intermittent loss of gears Jerky gear changes Limp or safe mode Mis