One KT200II user feedback: he managed to read ems2.2/3/4, it is impossible to try in every way.
What to do next?
Use the Volvo bench cable and try over 24 v amps adapter
Source of the bench cable:
Watch this video of using KT200II and bench cable to read ems2.3 :
Attach 3 more images to show the connection between the KT200II and the Volvo Bench cable, as well as the reading success result.
This is the tip of using KT200II ECU Programmer to read/write Volvo Renault ems2.2 2.3 2.4 on Bench.