Set the communication protocol to match your vehicle's architecture (typically for newer vehicles or SCI/CCD for legacy vehicles). CDA 5 vs. CDA 6: Which Version Do You Need?
CDA is a factory-level engineering software designed for vehicle development, advanced module flashing, and deep system configuration. While standard dealership software like WiTECH 1.0 or WiTECH 2.0 is built for structured diagnostics and routine maintenance, CDA is built for direct hex-editing, custom configuration, and deep-level calibration. Key Capabilities of CDA Updates firmware on blank or used ECUs. Set the communication protocol to match your vehicle's