Tested and guaranteed used Temic TCM DQ400E ECU

INCARLINE offers a used TCM Temic DQ400E, checked and sold as is. This automatic transmission ECU (TCM) manages the hydraulics, gear shift logic, and coordination with the hybrid powertrain on the Volkswagen group's DQ400e transmission. The part is tested, visually and functionally verified, then shipped as is. Important: the TCM Temic DQ400E generally requires adaptation/programming after installation to function correctly in your vehicle. Pairing is not included by default. Optional services (cloning, programming, immobilizer deactivation, exchange) can be added via the configurator if needed. Always check the reference on your old ECU before ordering to confirm compatibility.

Overview: role of the automatic transmission ECU (TCM)

The Temic DQ400E transmission ECU is the electronic unit that controls the DQ400e hybrid dual-clutch transmission. It continuously analyzes speed, temperature, and position sensors, controls hydraulic actuators, coordinates gear shifts, and communicates with the hybrid system and engine ECU. In many applications, the TCM is integrated into the mechatronic block, making it a central component in transmission management.

A compliant and healthy Temic DQ400E TCM ensures smooth gear changes, good management of electric/thermal torque, and coherent operation of driving modes. When replacing a DQ400E, it is essential to match the exact ECU family and, in most cases, perform adaptation/programming to pair it correctly with the vehicle.

Your ECU at Incarline: tested part, sold as is, with warranty

You receive a tested used TCM Temic DQ400E, sold as is, from our stock and subjected to a quality control check to verify the integrity of the part and its basic functionality. The part is covered by our warranty dedicated to tested used ECUs. Upon receipt, the module is neither coded, cloned, nor paired with your vehicle: adaptation/programming is generally required after installation.

If you need to replace a faulty ECU and retain your vehicle's settings, optional and paid services can be added via the configurator (e.g., cloning, programming, or immobilizer deactivation depending on use cases). These operations are not included by default. To secure your purchase, ensure the reference matches, that the vehicle is equipped with the DQ400e transmission, and plan for a professional equipped for adaptation.