Getrag TCM GETRAG 7DCT300 ECU — tested used part

The TCM GETRAG 7DCT300 is the automatic transmission ECU dedicated to the Getrag 7DCT dual-clutch transmission range. This unit controls the entire mechatronic system (actuators, solenoids, clutches) and synchronizes gear shifts based on sensor information. INCARLINE offers here a used part that has been checked and bench-tested, sold as is: uncoded for your vehicle and provided without pairing. This type of ECU generally requires adaptation/programming after installation to communicate correctly with the rest of the multiplexed network (engine ECU, ABS/ESP, instrument cluster). Opt for a reliable and economical alternative to new, while verifying compatibility by the exact reference of your unit. This product page is intended for workshops, mechanics, and individuals looking for a functional TCM GETRAG 7DCT300 for replacement, with basic control before shipment and simple identification by manufacturer markings and OEM references.

Overview

The automatic transmission ECU (TCM) is the electronic unit that manages the clutch strategy and gear selection on a dual-clutch transmission. In the Getrag 7DCT family, the TCM coordinates the two clutch axes, controls the hydraulic solenoids, interprets speed and shaft sensors, and exchanges data with the engine ECU and other vehicle ECUs via the CAN network. The goal is to ensure quick and smooth gear changes, protect the transmission in case of anomalies, and optimize driving comfort.

The TCM GETRAG 7DCT300 belongs to a generation of 7-speed transmissions designed for transverse engines. Depending on the architecture, the electronics are often integrated into the transmission's mechatronic assembly. After installation, pairing and/or initialization of clutch adaptations are generally necessary for the TCM to communicate correctly with the vehicle. This unit also intervenes in safety mode (limp mode) if inconsistencies are detected, hence the importance of having an ECU in good electronic condition when the old one shows failures.

Your ECU at Incarline

The offered part is a used TCM GETRAG 7DCT300 checked and bench-tested by INCARLINE, sold as is. Each unit undergoes a set of relevant functional checks for its role (power supply, communication, command responses) to ensure the ECU reacts correctly before shipment. It is an economical alternative to new, selected to provide a reliable starting point for replacing your old TCM with electronic faults.

Important: this TCM is delivered uncoded for your vehicle. Adaptation/programming is generally required after installation for pairing with the engine ECU and other ECUs. Depending on the case, clutch and transmission initialization procedures may be necessary via the appropriate diagnostic tool. The part is cleaned, carefully packaged, and shipped after inspection. It benefits from a warranty policy specific to used parts sold by INCARLINE (see applicable conditions). If you wish to add additional services (e.g., cloning, programming, or immobilizer deactivation), they are available as paid options via the configurator at the time of order, without these operations being included by default.