What version of Vag-Com are you using, and what cable?
If I remember correctly the older versions of Vag-Com won't work with the RNS-E - that could explain why your cluster has re-coded but the RNS-E hasn't.
If I remember correctly the older versions of Vag-Com won't work with the RNS-E - that could explain why your cluster has re-coded but the RNS-E hasn't.