Service Bulletin
July 12, 2021

20-049
Version 6

2021 Odyssey: Popping or Crackling from the Speakers; No Sound from
the Audio System; Network Loss Message and/or Display Issues

Supersedes 20-049, dated June 17, 2021, to revise the information highlighted in yellow.
AFFECTED VEHICLES
Year

Model

Trim Level

VIN Range

2021

Odyssey

ALL except LX

ALL

REVISION SUMMARY

Under CORRECTIVE ACTION, the correction was updated.
SYMPTOM
There is a popping or crackling from the speakers or no sound from the audio system. You may also see a Network Loss
message and/or display issues.
POSSIBLE CAUSE
There is a loose connection in the MOST bus network.
CORRECTIVE ACTION
Install the FAKRA connector set.
PARTS INFORMATION
Part Name

Part Number

Quantity

FAKRA Service Housing

39817-TJB-AC0

3

Tool Name

Tool Number

Quantity

Straight FAKRA Puller

07AAC-THRA200

1

Cargo Cap Screw Socket

07AAA-SEPA100

1

TOOL INFORMATION

WARRANTY CLAIM INFORMATION
The normal warranty applies.
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.

© 2021 American Honda Motor Co., Inc. – All Rights Reserved

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Operation
Number

Description

Flat Rate
Time

Defect
Code

Symptom
Code

Template
ID

Failed Part Number

0101Q5

Access the gauge
control module,
infotainment control
unit, and stereo
amplifier or tuneramplifier unit, then
replace the affected
FAKRA connectors
(includes test-drive).

2.0 hr

03214

03217

A20049A

39540-THR-A73

Skill Level: Repair Technician
INSPECTION PROCEDURE
1. Turn the ignition to ON.
2. Press and hold the VOL/Power AUDIO knob, Day/Night icon, and HOME icon at the same time. Then, release them
when you see the Dealer Diagnostics screen.

3. Select DETAIL INFORMATION & SETTING.

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4. Scroll down the menu, and select SHUTDOWN REASON.

In this example, the cause of the failure can be identified as Meter:SUDDEN_SIGNAL_OFF.

Write down any failures; they will be collected on the warranty claim. Then, clear the data.

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REPAIR PROCEDURE
1. Remove the lower vent covers.

2. Loosen the upper column cover.

3. Disengage the clips around the meter bezel. Then, remove it with the upper column cover as one piece.

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4. Remove the three screws holding the gauge control module.

5. Turn the gauge control module to access the rear connectors. Then, using the straight FAKRA tool, disconnect the red
and green FAKRA connectors, and remove them from the gauge control module. Do not pull on the units or MOST
feeders while the FAKRA connectors are connected to help prevent communication issues.
NOTE: For more information on using the FAKRA tools, see the job aid, Using the MOST Connector Tools.

.
6. Remove the cover above the center display unit.

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7. Remove the center dash trim.

8. Remove the two screws.

9. Remove the side cover.

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10. Remove the two screws.

11. Remove the lower dash panel.

12. Remove the passenger lower panel.

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13. Remove the driver lower console panel and the passenger lower console panel.

14. Pull back the cover, and remove the bolt.

15. Remove the rubber liner, and pull back the lower console cover.

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16. Remove the two screws from the dashboard center pocket, then pull back the panel.

17. Remove the two upper screws, and loosen the two lower screws.
NOTE: Some models will have a CD player, DVD player or center pocket.

18. Remove the DVD player, CD player or center pocket to gain access to the two 8 mm bolts holding the infotainment
unit.

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19. While looking upward from underneath where the DVD player, CD player, or center pocket was removed, loosen the
two 8 mm bolts holding the infotainment unit, then remove the unit.

20. In the rear cargo area, remove the rear trim panel.

21. On the right rear quarter panel, remove the hook bolts. If needed, use Cargo Cap Screw Socket
(T/N 07AAA-SEPA100) to loosen the bolts.
22. Remove the covers then remove the two screws from the passenger side inner rear quarter panel.

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23. Remove the lower passenger sliding door trim.

24. Remove the right quarter inner panel, then disconnect the connectors.

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25. Disconnect the red and green FAKRA connectors from the stereo amplifier (Elite) or tuner-amplifier unit (EX, EX-L,
Touring), gauge control module, and infotainment unit using the straight FAKRA puller. Do not pull on the units or
MOST feeders while the FAKRA connectors are connected to help prevent communication issues.
NOTE: Disassemble the connectors one at a time to avoid swapping the green and red wires.

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26. Using a small screwdriver, remove the secondary lock, then break off the tab as shown. Then, discard the housing and
lock.

27. Pull and twist the housing counterclockwise to remove it from the wire.
28. Select the correct color FAKRA housing, then slide the new terminal onto the wire until it clicks into place.

29. Line up the locking tabs on the FAKRA housing with the new terminal, then push the terminal into the housing until it
clicks into place.

30. Repeat steps 26 thru 29 for the other connectors. Then, install the FAKRA connectors to the gauge control module,
infotainment unit, and stereo amplifier or tuner-amplifier unit.

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31. Install all of the removed parts in the reverse order. When installing units, make sure the harness is routed correctly. A
mis-routed harness can put pressure on the wires and connectors causing connection issues. Do not pull on the units
or MOST feeders while the FAKRA connectors are connected to help prevent communication issues.

32. Test-drive the vehicle to confirm the repair.
END

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