8Y 381 TCU Unlock Service

Unlock your MK8 DSG transmission controller and prepare your vehicle for TCU tuning. This is a TCU unlock service only—no calibration or tune is included.

What's Included

• Professional bench TCU unlock
• Same-day turnaround (when received during business hours)
• Safe handling of your TCU throughout the process
• Ready for future TCU flashing by your preferred tuner

Vehicle Compatibility

• AUDI 8Y S3
• AUDI 8Y A3
• Equipped with the 381 DSG (DQ381) transmission

Please Note:

• 8.5Y models are NOT supported at this time.
• This service is for the TCU unlock only and does not include a TCU tune.
• Customers are responsible for shipping the TCU to and from our facility unless local drop-off has been arranged.

If you're unsure whether your vehicle is compatible, contact us with your VIN before placing an order and we'll be happy to verify compatibility.

Customer is responsible for shipping costs