My list of codes for the GRiSO do not include these codes that you have listed.
However the California 1400 has a couple of them. Now Moto Guzzi wouldn't change the codes between models would they?
P0560 -Battery Voltage too high/Too low
P0170 -Starter switch - shorted to positive / open circuit, shorted to negative
PD601 not listed. However, P0601 -EEPROM error (circuit not operational). Perhaps you misread?