DTC 2605: H/D Diag: Connect

WARNING: This page is about a different car, the 2011 Honda Insight and 2010 Honda Insight. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Check the vehicle battery condition first (see 12 VOLT BATTERY TEST ).
This navigation DTC sets when a problem (open or short) is detected in the GA-Net BUS.
Before you troubleshoot, make sure to follow the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION ).

Clear the hard error code (see HOW TO CLEAR ERROR HISTORY ).
Turn the ignition switch to LOCK (0) and then back to ON (II).
Go into the Diagnostic Menu, and select the Self-Diagnosis Mode in the Select Diagnosis Items menu (see SYSTEM DIAGNOSTIC MODE ).
Select the System Links.

Is connection NG indicated?

YES -Replace the audio-navigation unit (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION ).

NO -Intermittent failure, the system is OK at this time. If the unit repeatedly comes back with the DTC, replace the audio-navigation unit (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION ).