Typical vehicle applications
This part fits VW Group vehicles equipped with the DQ500 7-speed DSG wet-clutch transmission (high torque AWD applications), including models such as:

• Audi Q3 / RSQ3, TTRS, RS3 (with DQ500)

• Volkswagen Tiguan (wet-clutch DSG)

• Volkswagen Transporter / Caravelle / Multivan

• VW Scirocco and similar 2.0 TSI/TDI-equipped AWD platforms

Always confirm fitment using the VIN, as TCU variants differ by software and vehicle configuration.

Common fault codes
Common DSG/DQ500 TCU and mechatronic-related fault codes you might see when this unit fails include:

• P0607 – Control module malfunction

• P1735 / P1736 – Clutch position sensor faults

• P179C / P2716 – Shift pressure or valve faults

• P0841 / P17BF – Transmission pressure sensor or build-up issues

These faults typically indicate problems with internal electronics, sensors, or communication between the TCU and the gearbox control system.

Typical symptoms
When this control unit is faulty, vehicles commonly exhibit:

• Harsh, delayed, or failed gear shifts

• PRNDS or transmission warning lights

• Limp mode or loss of drive/reverse

• Stored transmission fault codes on an OBD-II scan