Warranty Extension: 2018-2020 Honda Odyssey MOST Bus Network Connectors

NHTSA ID Number: 10199349

Manufacturer Communication Number: A21-013

 

Summary

Service Bulletin – A loose connection in the MOST bus network is causing a popping or crackling from the speakers or no sound from the audio system. There may also be a Network Loss message and/or display issues.

 

3 Affected Products

Vehicle

MAKEMODELYEAR
HONDAeBay logoODYSSEY2018-2020

 

 

 


BACKGROUND

A loose connection in the MOST bus network is causing a popping or crackling from the speakers or no sound from the audio system. There may also be a Network Loss message and/or display issues.
American HondaeBay logo is extending the warranty for the MOST bus network connectors on these vehicles to 5 years or 60,000 miles from the original date of purchase, whichever comes first.

 

CUSTOMER NOTIFICATION

Owners of affected vehicles will be sent a notification of this campaign.
Do an iN VIN status inquiry to make sure the vehicle is shown as eligible.

 

CORRECTIVE ACTION

Install the FAKRA connector set.

 

PARTS INFORMATION

Part NameQuantityPart Number
FAKRA Service Housing339817-TJB-AC0eBay logo

 

TOOL INFORMATION

Tool NameTool NumberQuantity
Straight FAKRA Puller07AAC-THRA2001
Cargo Cap Screw Socket07AAA-SEPA1001

 

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.

 

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.

 

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.

 

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 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.

 

7. Remove the center dash trim.

 

8. Remove the two screws.

 

9. Remove the side cover.

 

10. Remove the two screws.

 

11. Remove the lower dash panel.

 

12. Remove the passenger lower panel.

 

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.

 

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.

 

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.

 

23. Remove the lower passenger sliding door trim.

 

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

 

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 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.

 

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.

 

31. Install all of the removed parts in the reverse order of removal. When installing units, make sure the harness is routed correctly, as a missrouted harness can put pressure on the connectors which may cause a connection issue. Do not pull on the units while the FAKRA connectors are connected to help prevent communication issues.

 

32. Test-drive the vehicle to confirm the repair. If the repair is not successful, continue with normal troubleshooting based on customer symptom(s).

 


 


NHTSA ID Number: 10187527

Manufacturer Communication Number: A21-013

 

Summary

Service Bulletin – A loose connection in the MOST bus network is causing a popping or crackling from the speakers or no sound from the audio system. There may also be a Network Loss message and/or display issues.

 

 

1 Associated Document

Manufacturer Communications

A21-013
February 18, 2021
Version 1

https://www.nhtsa.gov/recalls?nhtsaId=10187527

MC-10187527-0001.pdf 4590.205KB

 


1 Associated Document

Manufacturer Communications

A21-013
July 12, 2021
Version 2

https://www.nhtsa.gov/recalls?nhtsaId=10199349

MC-10199349-0001.pdf 4716.516KB

 


NHTSA ID Number: 10190302

Manufacturer Communication Number: ONLZ9R04052021

 

Summary

Owner Notification Letter – On some 2019-20 Passport/Pilot models, a loose connection in the MOST bus network is causing a popping or crackling from the speakers or no sound from the audio system. There may also be a Network Loss message and/or display issues. For these vehicles that display any of the above symptoms, American HondaeBay logo is extending the warranty for the MOST bus network connectors on these vehicles to 5 years or 60,000 miles from the original date of purchase, whichever comes first.

 


 


1 Associated Document

Manufacturer Communications

Service Bulletin #21-013 Defect 6M100 / Symptom Z9R00
April 2021

https://www.nhtsa.gov/recalls?nhtsaId=10190302

MC-10190302-0001.pdf 299.655KB

 


NHTSA ID Number: 10190301

Manufacturer Communication Number: ONLR9Q04052021

 

Summary

Owner Notification Letter – On some 2018-20 Odyssey models, a loose connection in the MOST bus network is causing a popping or crackling from the speakers or no sound from the audio system. There may also be a Network Loss message and/or display issues. For these vehicles that display any of the above symptoms and it is determined that the symptoms relate to the MOST bus network connectors, American HondaeBay logo is extending the warranty for the MOST bus network on these vehicles to 5 years or 60,000 miles from the original date of purchase, whichever comes first.

 


 


1 Associated Document

Manufacturer Communications

Service Bulletin #21-013 Defect 6M100 / Symptom R9Q00
April 2021

https://www.nhtsa.gov/recalls?nhtsaId=10190301

MC-10190301-0001.pdf 302.685KB

 


 

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