Manufacturer Code Charts: 1405

Navigation System DTC Troubleshooting: 1405

DTC 1405:

Audio Error 5 (HDD Error)

NOTE:

- Check the vehicle battery condition first Battery Test.
- This navigation DTC sets when the internal temperature of the HDD rises above 158 °F (70 °C). The unit is designed to shut down to protect the HDD. This could be caused by an inoperative audio-navigation unit cooling fan or if the vehicle cabin temperature exceeds the maximum. Do the troubleshooting when the audio-navigation unit is within the allowable temperature range.
- Before you troubleshoot, make sure to follow the General Troubleshooting Information How to Troubleshoot the Navigation System.

1. Check that the temperature is between -4 °F (-20 °C) and 158 °F (70 °C) in the dash.

2. Clear the hard error code.

3. Turn the ignition switch to LOCK (0) and then back to ON (II).

4. Check for the hard error code.

Is DTC 1405 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.