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Unlocking a digital tachograph

Updated: 26 June 2025

Configuring a Smart 2 tachograph for remote download of DDD files and driver card data in the Navifleet system.


1. Preliminary information 

Preliminary information Remember that when the tachograph is replaced with a Smart 2, the service technician must activate the functions responsible for remote download of DDD files and driver card data. Without this activation, files cannot be downloaded from the tachograph.


Each step should be documented with a photo taken by the service technician. 


2. Configuration steps

1. Go to the tachograph settings panel.


2. Find the CAN2 setting and set it to enabled. 

2. Configuration steps – screenshot of the Navifleet app

3. Find and activate CAN2 remote download and set it to enabled.

2. Configuration steps – screenshot of the Navifleet app

4. Set CAN2 remote data download to always available.

2. Configuration steps – screenshot of the Navifleet app


3. Technical notes 

Do not disconnect the device installed by Navifleet during the configuration. Once the tachograph is set up correctly, the DDD files will be downloaded automatically.


4. Contact

If you have any questions, please contact our technical department: 




Recommended articles 

1. Preparing the environment and configuring the system.

2. Remote download of driver cards and tachograph memory.

2. How to read working time?


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