A20-103

Service Bulletin
20-103
December 11, 2020
Version 1
®
®
2019-20 Odyssey: Bluetooth HandsFreeLink Freezes After Calls; Voice
Tags Are Missing at Startup
AFFECTED VEHICLES
Year
Model
Trim Level
VIN Range
2019-20
Odyssey
LX
ALL
SYMPTOM
®
®
The Bluetooth HandsFreeLink (HFL) system freezes after a phone call and stored voice tags are missing when the
ignition is turned ON.
POSSIBLE CAUSE
Some audio units are not updated to the latest software version.
CORRECTIVE ACTION
Update the audio unit software.
WARRANTY CLAIM INFORMATION
The normal warranty applies.
Operation
Number
Description
Flat Rate
Time
Defect
Code
Symptom
Code
Template
ID
Failed Part Number
0100A1
Update the audio unit
software.
0.3 hr
03214
03217
A20103A
39171-THR-A82
Skill Level: Repair Technician
CUSTOMER INFORMATION: The information in this bulletin is intended for use only by skilled technicians who have the proper tools, equipment,
and training to correctly and safely maintain your vehicle. These procedures should not be attempted by “do-it-yourselfers,” and you should not
assume this bulletin applies to your vehicle, or that your vehicle has the condition described. To determine whether this information applies, contact
an authorized Honda automobile dealer.
© 2020 American Honda Motor Co., Inc. – All Rights Reserved
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REPAIR PROCEDURE
NOTES
•
Before updating the software, write down the customer's audio unit presets.
•
Connect a fully charged battery jumper to the vehicle, and leave it connected during the entire procedure to maintain
steady voltage.
Apply the parking brake to keep the headlights off during the update.
•
1. From your computer's desktop, open Honda Firmware Downloader. Refer to job aid Honda Firmware Downloader for
additional information. Make sure to use an empty USB flash drive that is formatted to FAT 32.
2. Enter the service bulletin number and the VIN. This is important, as the software can be different depending on the trim
level. Select the download icon when the correct software is found.
NOTE
The software download may take up to 10-15 minutes, depending on the size of the file.
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3. Once the download is complete, return to the vehicle.
NOTE
If at any time during the update process a TIMEOUT err or UNDEF err message appears, check the USB flash drive
for damage, or use a different one.
4. Turn the ignition to ON.
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5. With the audio unit OFF, press and hold the buttons in sequential order as shown. This will let you view the Version
display screen.
NOTE
The image below is an example.
NOTICE
If any of the software versions do not match the ones listed in the table below, do not update the audio unit because
you can damage it.
Affected Software Versions
Software Details
2019-20 Odyssey
System ucom
9C01
HMI ucom
9010
DSP ucom
11410106
Bluetooth module
03.29.08VR
6. Exit the Version display screen by pushing the Vol/Power button.
7. Set Audio Source to USB mode by pressing the MEDIA button.
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8. Plug the USB flash drive into the USB port to start the update. The audio unit will automatically detect the USB flash
drive and start the update process.
NOTICE
Never disconnect the battery, turn the ignition to OFF, remove the USB flash drive, or press the BACK button while the
update is in progress.
You will see the following screens as the update runs.
•
Dsp Vup
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•
HMI-LSI Version
•
Sys Ver Up
NOTES
•
The screen will go black and the buttons will begin blinking. The blinking will speed up and you will hear a beep
every 10% of progress.
•
When the software update is complete, you will hear a long beep, then the Honda logo will appear, and the
audio unit will turn off.
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SOFTWARE UPDATE CONFIRMATION PROCEDURE
1. With the audio unit turned OFF, press and hold the buttons in sequential order as shown. This will let you view the
Version display screen and verify the software version was updated.
Affected Software Versions
Software Details
2019-20 Odyssey
System ucom
9D01
HMI ucom
9010
DSP ucom
11410106
Bluetooth module
03.29.08VR
2. Press the VOL/Power button to exit the Version display screen.
3. Remove the USB flash drive.
4. Press and hold the VOL/Power button to sync the security code.
5. Set the clock to the correct time by selecting MENU, then Adjust Clock.
6. Restore the customer’s audio unit presets, and have the service advisor tell the customer that any previously paired
phones must be paired again.
END
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