DSG Mechatronic Unit

Key facts

Overview

Module combining hydraulic control, solenoids, sensors and TCU electronics in DSG transmissions.

Vehicle implementation varies by manufacturer, generation, equipment, software and market. Exact pins, tolerances and procedures require the relevant technical document.

Structure and function

• Controls clutches, selector forks and hydraulic pressure.
• Wet and dry-clutch DSG families use different units.
• Match hardware and software identity to the vehicle.

Diagnostics

• Assess pressure, temperature, adaptation and speed sensors.
• Low voltage and wiring faults can mimic unit failure.
• Perform basic settings and road adaptation after repair.