FixVault

DTC 1402: Audio Error 2

NOTE:
  • Check the vehicle battery condition first (see 12 VOLT BATTERY TEST ).
  • This navigation DTC sets when there is a problem with the audio disc player.
  • Before you troubleshoot, make sure to follow the General Troubleshooting Information (see GENERAL TROUBLESHOOTING INFORMATION  ).
  1. Check that the dash temperature is between -4°F (-20°C) and 158°F (70°C).
  2. Clear the hard error code (see HOW TO CLEAR ERROR HISTORY  ).
  3. Turn the ignition switch to LOCK (0), and then back to ON (II).
  4. Check for the hard error code (see HOW TO CHECK ERROR HISTORY (NAVIGATION DTCS)  ).

    Is DTC 1402 indicated? 

    YES  -Check if the audio system functions are working properly. If any problems are found, go to affected troubleshooting in audio section.

    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 (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION  ).