The Launch X-431 ECU & TCU Programmer is an advanced programming module designed to provide technicians with powerful control over engine (ECU) and transmission (TCU) data. Engineered for precision tuning, data correction, module replacement, and performance optimisation, this tool integrates seamlessly into the Launch X-431 diagnostic ecosystem. Featuring a clear 2D menu, high-speed USB communication, and intelligent search functionality, this programmer delivers fast, stable, and accurate data handling — offering speeds more than three times faster than Android-only devices. The tool also enables easy ECU data copying, modification, and validation, making it ideal for engine rebuilders, transmission specialists, tuning shops, and advanced diagnostic workshops. With one year of free software updates, the programmer stays aligned with new vehicle models and evolving module encryption technologies.

• Clear 2D menu interface for quick and intuitive operation
• Powerful intelligent search for locating ECU/TCU functions and data blocks
• Supports efficient modification of ECU data for repairs, coding, and adaptation
• High-speed USB communication u2014 over 3u00d7 faster and more stable than Android connections
• Allows easy copying, reading & writing of ECU and TCU data
• Supports engine data validation functions to ensure programming accuracy
• Includes 1-year free updates for expanding vehicle coverage
• Perfect for advanced diagnostics, tuning, module replacement, and data correction