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Possible Cause and Resolution
Symptom
–Copyright-protected files.
•Use a device that contains files that are not copy-
right protected.
– Unsupported file format.
•Repair or convert the files to a supported format.
See Entertainment (page 408).
– Device indexing required.
•Re-index your device. See
Settings (page 427).
– Device lock screen enabled.
•Unlock your device before connecting it.
Sometimes I cannot hear a
track playing on my device. –
Device malfunction.
•Disconnect your device. Switch your device off and
on to reset it and try again.
When I disconnect my iOS
device the audio volume is
set to maximum. –
Device limitation.
•Turn the volume down on your device.
If the system does not play the tracks on your USB device
in the correct order, the following information could help:
The system does not play
the tracks on my USB drive
in the correct order.
–If you are selecting USB as the audio source when the
system is still indexing, SYNC plays tracks sorted
alphabetically by file name in the root directory.
– If you are selecting USB as the audio source after the
system has finished indexing, SYNC plays all tracks
sorted alphabetically by the title in the ID3 tag
regardless of where they are located. SYNC uses the
file name if the title in the ID3 tag does not exist.
– If you are selecting the option to play all tracks from
the browsing menu, SYNC plays all tracks sorted
alphabetically by the title in the ID3 tag regardless of
where they are located. SYNC uses the file name if the
title in the ID3 tag does not exist.
– If you are selecting a track when using the explore
device option, SYNC plays tracks sorted alphabetically
by file name in the folder you have selected. SYNC
then plays all tracks in any subfolders in the folder you
have selected.
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2021 Transit (TTH) Canada/United States of America, MK3J 19A321 AA enUSA, Edition date: 202010, Second-Printing SYNC™ 3
Page 436 of 509

Phone
Possible Cause and Resolution
Symptom
During a call, I can hear
excessive background noise. –
Incorrect cell phone settings.
•Check and adjust the audio settings on your cell
phone. Refer to your cell phone's user manual.
– Cell phone malfunction.
•Switch your cell phone on and off, and vehicle
Bluetooth® on and off and try again.
– Cell phone microphone muted.
•Unmute your cell phone microphone.
During a call, I can hear the
other person but they
cannot hear me.
During a call, I cannot hear
the other person and they
cannot hear me.
–
System restart required.
•Switch the ignition off and open the door. Close
the door and lock the vehicle. Wait until the
touchscreen is off and any illuminated USB ports
are not illuminated. Unlock the vehicle, switch the
ignition on and try again.
I cannot download a phone-
book. –
Incompatible cell phone.
•Check the compatibility of your cell phone on our
website.
– Incorrect cell phone settings.
•Allow the system to retrieve contacts from your
cell phone. Refer to your cell phone's user manual.
– Incorrect system settings.
•Switch automatic phonebook download on. See
Settings
(page 427).
– Cell phone malfunction.
•Switch your cell phone off and on to reset it and
try again.
433
2021 Transit (TTH) Canada/United States of America, MK3J 19A321 AA enUSA, Edition date: 202010, Second-Printing SYNC™ 3
Page 437 of 509

Possible Cause and Resolution
Symptom
–Incorrect cell phone settings.
•Allow the system to retrieve contacts from your
cell phone. Refer to your cell phone's user manual.
• Check the location of the missing contacts on your
cell phone. If they are stored on the SIM card, move
them to the cell phone memory.
– Incorrect system settings.
•Switch automatic phonebook download on. See
Settings (page 427).
A message displays
suggesting that my phone-
book has downloaded but it
is empty or it has missing
contacts.
–Incompatible cell phone.
•Check the compatibility of your cell phone on our
website.
– Cell phone malfunction.
•Switch your cell phone off and on to reset it and
try again.
• Install the latest cell phone firmware.
• Delete your device from the system and delete
SYNC from your device and try again.
• Switch automatic phonebook download off. See
Settings
(page 427).
I cannot connect my cell
phone.
Text messaging does not
work.
–
You might not have switched on text message notific-
ations.
•Switch text message notifications on.
See Phone
(page 418).
– Incompatible cell phone.
•Check the compatibility of your cell phone on our
website.
– Cell phone malfunction.
•Switch your cell phone off and on to reset it and
try again.
– Device message sharing is not enabled.
•Check the permissions on your device to ensure
text message sharing is enabled.
– Incompatible cell phone.
•Check the compatibility of your cell phone on our
website.
I cannot hear text messages.
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2021 Transit (TTH) Canada/United States of America, MK3J 19A321 AA enUSA, Edition date: 202010, Second-Printing SYNC™ 3