OEM Part Numbers

Technical Specifications

Product Description

This refurbished 02E927770AT mechatronic unit (also referenced as 02E325025AT) is manufactured by Temic for 6-speed DSG DQ250 wet-clutch gearboxes used in VW Group vehicles. It is supplied as a complete assembly — hydraulic block together with TCU — and is intended as a direct replacement when the original mechatronic unit has failed.

What This Mechatronic Unit Does

• Controls hydraulic and electronic functions of the DQ250 gearbox
• Manages wet clutch engagement, gear selection and shift timing
• Processes sensor data and operating parameters via the integrated TCU
• Regulates hydraulic pressure through the mechatronic valve body
• Serves as a like-for-like replacement for a faulty or non-communicating original unit

Vehicle Compatibility

This mechatronic unit is intended for selected Volkswagen Group vehicles equipped with 6-speed DSG DQ250 (wet clutch) transmission. Compatibility depends on part number, software version and gearbox configuration.

Suitable for Selected Models Such As

Common Fault Codes & Symptoms

A defective DQ250 mechatronic unit can cause gear selection problems, warning messages, loss of communication and emergency running mode. Replacement units may require basic settings and clutch adaptation after installation.

Installation & Service Notes

Recommended Steps

• Check the exact OEM number on the original mechatronic unit
• Confirm that the gearbox is a DSG 6 DQ250 version
• Inspect the surrounding clutch and gearbox components before installation
• Install the replacement unit carefully using professional workshop procedures
• Carry out basic settings and clutch adaptation with a diagnostic tool
• Perform a fluid check and top-up as needed for the DSG system
• Perform diagnostic checks and test gearbox operation after installation

Why Mechatronic Replacement Matters

1. Restores Full Gearbox Control

A properly functioning mechatronic unit is essential for hydraulic pressure control and electronic communication in the DQ250 system.

2. Supports Correct Shifting

The combined hydraulic block and TCU manage wet clutch engagement and gear selection logic within the DSG transmission system.

3. Helps Resolve Combined Faults

Replacing the complete unit helps resolve both hydraulic and electronic faults in a single repair, without needing to diagnose which component failed.

4. Refurbished & Tested

Every unit is professionally refurbished and checked for correct operation before it leaves our workshop, giving you a reliable, ready-to-fit replacement.

Quality Assurance & Warranty

12-Month Warranty: This refurbished DQ250 mechatronic unit is tested prior to dispatch and supplied with a 12-month functionality warranty under normal operating conditions.

Warranty Coverage Includes:

• Functional defects of the supplied hydraulic block and TCU
• Material or electronic defects under normal use
• Faults present at the time of delivery that are not caused by installation

Warranty Exclusions:

• Incorrect installation
• Improper programming, coding or adaptation
• Damage caused by wiring, clutch or gearbox-related faults unrelated to the mechatronic unit
• Physical damage or misuse

Questions or Need Help?

We can help verify compatibility and advise whether this 02E927770AT mechatronic unit is suitable for your gearbox.

Important Purchase Information

• Compatible with 02E927770AT, 02E927770AJ, 02E927770AL and 02E927770AM
• This is a refurbished, tested unit — includes hydraulic block and TCU
• Basic settings and clutch adaptation are required after installation
• Professional installation is recommended
• Photos are for illustrative purposes only
• Worldwide shipping is available
• If your country is not listed at checkout, contact us for manual order processing
• Please check carefully whether this product matches your vehicle and gearbox version before ordering