Support>SYNC>Troubleshooting>What should I do if I get an "LST_ERR05" message when updating my SYNC 3 Navigation map?

What should I do if I get an "LST_ERR05" message when updating my SYNC 3 Navigation map?

An "LST_ERR05" error occurs when the navigation maps update license file is not detected within the "SyncMyRide" folder on your USB. Use the following steps if you receive an LST_005 error message while attempting to install your SYNC®* 3 Navigation map update.

Refer to the table below for the files' requirements on your USB when downloading the Navigation map update:

SYNC 3 v3.0SYNC 3 v3.3 or v3.4

8 files should be in the "SyncMyRide" folder on your USB. 

If the map license key file "JR3T-14G424-CH.TAR.GZ" is missing, you will see the "LST_ERR05" message when installing the map update.

15 files should be in the "SyncMyRide" folder on your USB. 

If the map license key file "4U5T-14G424-CF.TAR.GZ" is missing, you will see the "LST_ERR05" message when installing the map update.

Note: If you need assistance finding your SYNC 3 software version, refer to the article What SYNC version do I have in my Ford vehicle?

Adding a Missing Map License Key File

If you find your "SyncMyRide" folder is missing the license file:

  1. Find the map license key zip file, which is Download #3 in the download instructions you received after purchasing the SYNC map update. 

    SYNC map update order confirmation screen shown with #3 Download License File selected.

  2. Drag and drop the map license key file into the "SyncMyRide" folder on your USB.

    Note: The file must remain zipped.

  3. Install the update again.

Refer to the section "Confirming the Completed Update" in the article How do I install SYNC updates over Wi-Fi® or with a USB? to find the steps allowing you to see if your update was successful. 

If you need further assistance, contact the Customer Relationship Centre using our Live Chat option or by calling 1-800-565-3673.

Additional Information

How do I get the latest Navigation map updates for my SYNC system?
What SYNC version do I have in my Ford vehicle?
How do I install SYNC updates over Wi-Fi or with a USB?
How do I check for SYNC updates?
How do I contact a FordPass Guide?

*Don’t drive while distracted. Use voice-operated systems when possible; don’t use handheld devices while driving. Some features may be locked out while the vehicle is in gear. Not all features are compatible with all phones.

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