During Cluster Calibration for 2015 Range Rover using Digimaster3，There are two errors: “(7F12) the subfunction is not supported”and “(1E20) adapter not found” , Here are the solutions for both errors.
1.“(7F12) the subfunction is not supported”Error
This is how I operate Digimaster 3:
Tap Meter System -> Europe -> Land Rover -> Diagnostic socket adjustment -> Range Rover ->
2. “(1E20) adapter not found”Error