While running a diagnostic test or resetting an engine to factory adaptations, the progress bar may freeze, throwing a "Communication Timeout" or "Error 20" code.

Sometimes the SDS 2.0 installation requires a fresh installation of the Bluetooth stack driver to function properly. 3. M-Tronic Calibration Failures If the tool cannot calibrate the M-Tronic system:

Restart SDS 20. Most versions feature an automated recovery protocol that detects an incomplete flash and prompts you to force-rewrite the firmware. 3. Software Crashes During MDG 1 Synchronization

Stabilizes USB and Bluetooth wireless handshakes between the computer and the MDG 1 module.