Manufacturer Code Charts: 2605

Navigation System DTC Troubleshooting: 2605

DTC 2605:

H/U Diag Connect

NOTE:

- Check the vehicle battery condition first Battery Test.
- This navigation DTC sets when a problem (open or short) is detected in the GA-Net BUS.
- Check any official Honda service website for more service information about the navigation system.
- Check for B-CAN DTCs and resolve them before troubleshooting.
- Before you troubleshoot, make sure to follow the General Troubleshooting Information How To Troubleshoot The Navigation System.

1. Clear the hard error code.

2. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode, then back to ON (II), or press the engine start/stop button to select the ON mode.

3. Go into the System Diagnostic Mode, and select the Self-Diagnosis Mode.

4. Select the Radio in the System Links.

Is Connection NG indicated?

YES -

Replace the audio-navigation unit Audio-Navigation Unit Removal/Installation.�

NO -

Intermittent failure, the system is OK at this time. If the vehicle repeatedly comes back with the navigation DTC, replace the audio-navigation unit Audio-Navigation Unit Removal/Installation.�