Problem:
How to repair DEF on 2004 audi a4 b6 RB4 crypto cluster? Read data with old Chinese tool (super vag+ k-line) and got this error afterwards.
Solution:
Easy to fix with genuine AVDI or FVDI clone.
Autel im508/im608 can also repair this problem.
With im508/608, select Repair Vehicle Start Failure and follow the prompts.
