Manufacturer Code Charts: 2603
Navigation System DTC Troubleshooting: 2603
DTC 2603: Display Diag: RAM
NOTE:
- Check the vehicle battery condition first.
- 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 (With Navigation)
1. 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 the ON mode.
2. Go into the Diagnostic Menu, and select the Self-Diagnosis Mode in the Select Diagnosis Items menu. Navigation System Diagnostic Mode (With Navigation)
3. Select the Display.
Is the RAM NG?
YES - Replace the navigation display unit. Service and Repair
NO - Intermittent failure, the system is OK at this time. If the vehicle repeatedly comes back with the DTC, replace the navigation display unit.