Automotive diagnostic and key programming specialist OBDSTAR has introduced a free upgrade for its supported transmission control module (TCM) cloning functions, adding enhanced compatibility for DQ38X/DQ500 GEN2 systems.
This latest update is available for the KeyMaster G3 (X300 Classic G3) and OBDSTAR DC706 platforms, giving technicians and repair professionals more capabilities for DSG transmission servicing and module replacement.

What’s New in the Upgrade?
The new release focuses on TCM cloning via Bench Mode, allowing users to read, write, and transfer data from supported transmission modules without opening the ECU.
Added Functions Include:
1. Bosch DQ380 / DQ500 TCM Support
The update now supports:
- Data Read / Write
- Mileage Calibration
- IMMO Data Decryption (Exclusive functions)
Supported units include:
- DQ380 0DE
- 0GC
- DQ381 0DE
- 0GC
- DQ500 0DL
Recommended Wiring Cable: TCM-005
2. ZF AL552 GEN2 Support
Users can now perform:
- Data Read / Write functions for ZF AL552 GEN2 modules
Recommended Wiring Cable: TCM-024
Supported Vehicle Brands
This upgrade extends coverage across several premium and performance brands, including:
- Volkswagen
- Audi
- Skoda
- Bentley
- Lamborghini
- Porsche
This makes the update especially valuable for workshops servicing VAG group vehicles and high-end European platforms.
Supported Bootloader Version
The current supported bootloader version listed in the release is:
BH1G0401
Compatible Devices
The free upgrade is available on:
Both tools are widely used for advanced diagnostics, EEPROM work, immobilizer functions, and ECU/TCM programming.


