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DTC 1001: FROM system Info Error

NOTE:

Check the vehicle battery condition first (see BATTERY TEST ).
Before you troubleshoot, make sure to follow the GENERAL TROUBLESHOOTING INFORMATION .

Turn the ignition switch to LOCK (0), and then back to ON (II).
Check for the hard ERROR CODE .
Is DTC 1001 indicated?

YES -Replace the AUDIO-NAVIGATION UNIT , because there is an internal problem with the Flash-ROM. ■

NO -Intermittent failure, the system is OK at this time. If the vehicle repeatedly comes back with the DTC, replace the AUDIO-NAVIGATION UNIT . ■