: For 2021+ vehicles, some modules are protected by SFD (Vehicle Diagnostic Protection) . While VCDS 23.3.1 can read data from these modules, making changes (coding/adaptations) may require an "off-line" token that Ross-Tech does not provide. VCDS Revision History, Major Releases - Ross-Tech
: Enhancements for "Diagnostics over IP," which is increasingly used in modern VAG platforms for faster data transfer. Ross Tech Vcds 23.3.1 Download 2021
: Increased parameter range for security access codes, vital for performing retrofits and advanced coding on recent models. : For 2021+ vehicles, some modules are protected
: An updated Long Coding helper plugin to assist users in selecting the correct bits and bytes for module configuration. Hardware Compatibility Requirements : Increased parameter range for security access codes,
: Older "dumb" or legacy cables (like the HEX+CAN) may still work with 23.3.1 software for older cars but will not properly communicate with the advanced gateways in 2021+ vehicles.