In order to Resynchronize your ELD with the vehicle, insert your Fleet key into the ELD and select Fleet Manager>Logout>Logout with Data Download. Then you will see the following screen.
Next, take out and then re-insert your Fleet key and you should see the following message.
Then, select Vehicle Data and press Done at the bottom.
Wait for the communication with the vehicle to complete.
Next, confirm the current odometer is correct on the ELD. Select Yes to change the odometer to the correct miles or No if the current odometer is correct.
After, you will see your Company name and Vehicle ID in the upper left corner. Resynchronization has been completed.