Problem:
I did try to add key vw Golf 7. Cluster virtual 5G1 920 791 B.
Read cluster with Xhorse multi prog with solder free adapter.. Decoded immo data with vvdi2.
Put the cluster back, but the cluster is dead. nothing happen.
Customer solution:
Solved.
Did write back repair fix file.
Wrote back repaired dump.
Multiprog has an option: data repair. Use it and it fix the dump.