"No Detailed Maps Found That Support Routing" or "No Map Data Available" Message on the Tread 2 Series

There may be a problem with the mapping files if the message “No Detailed Maps Found That Support Routing” is displayed after turning on a Tread® 2 Series GPS navigator. The message “No Map Data Available” may display when searching for a destination. This may cause the device to show only the locations of major cities or major highways with no side streets.

Note: A "Cannot calculate the route" error message will appear when routing to an area if maps are disabled. 

To Correct This Issue:

• Try reinstalling the maps over Wi-Fi with Managing Maps on the Tread 2 Series.

  • See Troubleshooting Wireless Updates on an Automotive GPS Navigator if the install does not complete.

• Ensure Garmin Express is up to date and reinstall the maps.

  • See Garmin Express not Working for Updates and Downloads if the install does not complete

• For “No Detailed Maps Found That Support Routing” - if it cannot be dismissed by pressing OK or the back button, press and hold your finger on the message to clear it

  • If the device displays "Can't Unlock Maps" after clearing the message, follow the instructions in  Correcting the Message "Can't Unlock Maps" or "Can't Authenticate Maps" on a Garmin Automotive Device

• For “No Map Data Available” - Ensure the map is enabled on the device by following the steps below. 

1. Touch Map Manager on the main menu of the device.

2. Select Manage Device Maps.

3. Select the three lines in the upper left corner, and select Installed Maps. 

4. Touch the down arrow to expand the map list.

5. Enable the maps.

• • The map is enabled if a checkmark is present.
  • Touch the empty box if a checkmark is missing.
  • See the additional troubleshooting below if the map is missing or the page is blank.

Additional Troubleshooting if the Map is Missing From the Device or was Already Enabled:

Ensure the memory card is inserted and formatted properly if the maps were installed to a memory card.

• For steps, see the owner's manual

• See  Formatting a microSD/SD Memory Card

• See Troubleshooting Wireless Updates on an Automotive GPS Navigator if the install does not complete.

• Try reinstalling the maps over Wi-Fi with Managing Maps on the Tread 2 Series.

• Ensure Garmin Express is up to date and reinstall the map:

  • Updating the Garmin Express Application Software

  • Reinstall the map on the device

    • If Garmin Express does not display a Reinstall Map option, see the Manage Maps steps below.

  • See Garmin Express not Working for Updates and Downloads if the install does not complete.

Manage Maps on the Tread 2 Series:

• Ensure the City Navigator map is selected in Manage Maps to reinstall the map in Garmin Express.

1. Click Manage Maps 

2. Select the Regions tab on the left

3. Select the box to insert a checkmark for the map

4. Click Apply Changes