How to read FAZ and ERP errors

During an online session the Volkswagen server may return an error. That is not a login failure — it is the data center reporting the state of the part or the vehicle.

FAZ15xx errors are almost always key-related: paired to another car, non-original key, or the 90-day validity expired. FAZ12xx and FAZ94xx point to damaged cluster or gateway data.

ERP4711E and FAZ4160E are handled on our side — message us on WhatsApp and we will restore access.