Problem: I have Xhorse VVDI2 programmer, I want to adapt PCR 2.1 and I get “security access failed. operation not completed.”
Solution: this is how to adapt PCR and similar
Type manually CS and PIN data and Read.
and wait till data read.
Save power class
Paste VIN, CS, PIN, you read from cluster and click “Write”, confirm yes.
Completed.
To finish – go to cluster and change manually power class and write immo.