One of the Lexia 3 v48 Peugeot Planet PP2000 v25 Diagbox v7.76 interface users came across lexia 3 Diagbox and turn to obd2diy.fr engineer for help. Following are the detail problem and solution provided.
When installing and activating lexia 3 Diagbox software for PSA Peugeot and Citroen, the Lexia 3 interface program display an error message: (display picture below)
There was an AUTHENTIFICATION windows asked to enter the user name and password.
Important: if you do not identify yourself. You will not be able to gain access to the operation requested…Do you wish to access this operation?
From the software program, we can see that the Diagbox he installed is the 7.02 version. The Diagbox diagnostic software has not been completely installed.
Re-install the Lexia-3 Diagbox software until the installation procedure is completed.
Better suggestion is to upgrade lexia 3 to the current Diagbox v7.76 version.
Here are some related user manuals provided to help to install
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