Manufacturer Code Charts: 1204

Navigation System DTC Troubleshooting: 1204

DTC 1204:

HDD High Temp

NOTE:

- Check the vehicle battery condition first Battery Test.
- This navigation DTC sets when the internal temperature of the navigation ECU rises above 158 °F (70 °C). The unit is designed to shut down to protect the navigation ECU. 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.
- Check any official Honda service website for more service information about the navigation system.
- Before you troubleshoot, make sure to follow the General Troubleshooting Information How to Troubleshoot the Navigation System.

1. Check that the temperature is below 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 1204 indicated?

YES -

Replace the HDD HDD 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.