With the DLK Pro license card for the DTCO 4.0 you can read the data of the intelligent tachograph for example, download and archive the DTCO 4.0. The DLK Pro key is activated via the DLK Pro "Smart TCO ready" license card (2910002128800). This new license card just has to be plugged into the integrated card reader of the key and you are ready for the intelligent tachograph DTCO® 4.0 with its new cards in proven quality, reliability and function.

This update process is valid for upgrading the following DLK Pro Keys:

DLKPro Download Key
DLKPro TIS Compact
DLKPro TIS Compact (EE)
DLKPro Inspection Key


The DLK Pro Keys will continue to be capable of supporting 1st generation DTCO® and other digital tachographs as well as 1st generation Tachograph cards.