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), 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.

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.