ECUHELP KT200 II ECU Programmer, with the June update, has been confirmed to successfully read and VR write the Citroen DCM7.1A via OBD.

Car Information:
Brand: Citroen
Model: Spacetourer
Engine: 2.0 BlueHDI Delphi DCM7.1A *CAN

Test Report:
Read: OK
VR Write: OK
With ECUHELP KT200II (upgrade to the June version)

Refer to the following image to see the process of using the KT200II to write Delphi DCM7.1A:

ECUHELP KT200II Read and VR Write DCM7.1A via OBD-01 ECUHELP KT200II Read and VR Write DCM7.1A via OBD-02

Conclusion:
ECUHELP KT200 II with the June upgrade, provides reliable performance in reading and VR writing the Citroen DCM7.1A ECU via OBD, making it a valuable tool for such operations.