DTC 2609: VRAM Diag

Check the vehicle battery condition first (see 12 VOLT BATTERY TEST ).
This navigation DTC sets when a problem with the audio-navigation unit internal VRAM is detected.
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 System Diagnostic Mode, and select the Self-Diagnosis Mode in the Select Diagnosis Items menu (see SYSTEM DIAGNOSTIC MODE ).
Select the ECU Info in the System Links.
Is V-RAM OK indicated?

YES -Intermittent failure, the system is OK at this time. If the vehicle repeatedly comes back with the navigation DTC, replace the audio-navigation unit (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION ).

NO -Replace the audio-navigation unit (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION ).