NHTSA ID Number: 10199747
Manufacturer Communication Number: A20-058
TSB/Document Date: 2021-08-03
Summary
Service Bulletin - 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.
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TSB/Document ID: A20-058
Replacement Service Bulletin Number:
MFR Communication Date: 2021-07-26
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
MFR Component Subsystem:
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Service Bulletin
July 26, 2021
20-058
Version 7
2021 Passport/Pilot: Popping or Crackling from the Speakers; No Sound
from the Audio System; Network Loss Message and/or Display Issues
Supersedes 20-058, dated June 17, 2021. See REVISION SUMMARY.
AFFECTED VEHICLES
Year
Model
Trim Level
VIN Range
2021
Passport
ALL
ALL
2021
Pilot
ALL except LX
ALL
REVISION SUMMARY
Parts, warranty, and repair information pertaining to the Pilot accessory CD player was deleted.
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 and the MOST service cords.
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
Page 1 of 24
PARTS INFORMATION
NOTE: When ordering the MOST service cords, you may get an alternate part number where the first character of the last
three are different, such as AA0, AB0, AC0, and AD0 or BA0, BB0, BC0, and BD0. Either part number is correct.
2021 Passport (Sport, EX-L)
Part Name
Part Number
Quantity
FAKRA Service Housing
39817-TJB-AC0
2
MOST Service Cord TX Straight (Green)
39165-TG7-AC0
1
MOST Service Cord RX Straight (Red)
39165-TG7-AD0
1
Part Name
Part Number
Quantity
FAKRA Service Housing
39817-TJB-AC0
3
MOST Service Cord TX Straight (Green)
39165-TG7-AC0
1
MOST Service Cord RX Straight (Red)
39165-TG7-AD0
1
Part Name
Part Number
Quantity
FAKRA Service Housing
39817-TJB-AC0
2
MOST Service Cord TX Straight (Green)
39165-TG7-AC0
1
MOST Service Cord RX Straight (Red)
39165-TG7-AD0
1
Part Name
Part Number
Quantity
FAKRA Service Housing
39817-TJB-AC0
3
MOST Service Cord TX Straight (Green)
39165-TG7-AC0
1
MOST Service Cord RX Straight (Red)
39165-TG7-AD0
1
Tool Name
Tool Number
Quantity
Straight FAKRA Puller
07AAC-THRA200
1
2021 Passport (Elite, Touring)
2021 Pilot (EX, EX-L, SE)
2021 Pilot (Black Edition, Elite, Touring)
Tool Information
Page 2 of 24
WARRANTY CLAIM INFORMATION
The normal warranty applies.
Operation
Number
Description
Flat
Rate
Time
Defect
Code
Symptom
Code
Template
ID
Failed Part Number
0101Q5
2021 Passport Sport: Access
the gauge control module,
infotainment unit. Then,
replace the affected FAKRA
connectors, and install the
MOST service cords to the
gauge control module
(includes test-drive).
1.3 hr
03214
03217
A20058B
39540-TGT-AB2
0101Q7
2021 Passport Elite, Touring:
Access the gauge control
module, infotainment unit, and
tuner unit. Then, replace the
affected FAKRA connectors,
and install the MOST service
cords to the gauge control
module (includes test-drive).
1.6 hr
03214
03217
A20058C
39540-TGS-AD2
0101Q5
2021 Pilot EX, EX-L, and SE:
Access the gauge control
module, infotainment unit.
Then, replace the affected
FAKRA connectors, and install
the MOST service cords
(includes test-drive).
1.3 hr
03214
03217
A20058D
39540-TG8-AB2
0101Q8
2021 Pilot Black Edition, Elite,
and Touring only: Access the
gauge control module,
infotainment unit, and tuner
unit. Then, replace the
affected FAKRA connectors,
and install the MOST service
cords to the gauge control
module (includes test-drive).
1.9 hr
03214
03217
A20058G
39540-TG7-AG2
Skill Level: Repair Technician
Page 3 of 24
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. Hold until the
Dealer Diagnostics menu screen appears.
3. Select DETAIL INFORMATION & SETTING.
Page 4 of 24
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.
Page 5 of 24
REPAIR PROCEDURE - PASSPORT
1. Remove the side cover.
2. Loosen the upper column cover.
3. Remove the lower dash panel.
Page 6 of 24
4. Remove the screw to loosen the dash panel.
5. Pull back the dash panel to allow meter bezel removal.
6. Disengage the clips around the meter bezel, then remove the bezel and upper column cover as one piece.
Page 7 of 24
7. 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.
8. Remove the hazard switch panel.
9. Remove the passenger mid dash panel.
Page 8 of 24
10. Remove the two screws, then remove the dashboard center middle trim.
11. Remove the two screws and bolts, then remove the dashboard center lower panel or accessory CD player.
Page 9 of 24
12. Loosen the two bolts holding the infotainment unit, then remove the unit.
NOTE: For the EX-L trim level, go to step 16. For the Touring and Elite trim levels, go to step 13.
13. Remove the rear cargo cover, cargo tray, rear panel, and spare tire.
14. Remove the rear passenger door trim.
Page 10 of 24
15. Remove the three screws and one clip from the quarter panel, then remove the panel.
Page 11 of 24
16. Disconnect the red and green FAKRA connectors at the gauge control module, infotainment unit, and tuner unit
(Touring, Elite), 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.
Page 12 of 24
17. Using a small screwdriver, remove the secondary lock, then break off the tab as shown. Then, discard the housing and
lock.
18. Pull and twist counterclockwise to remove the housing from the wire.
19. Select the correct color FAKRA housing, then slide the new terminal over the wire until it clicks into place.
.
20. Line up locking tabs of the FAKRA housing to the new terminal, then push in the terminal until it clicks into place.
21. Repeat steps 17 thru 20 for the other connectors. Then, install the FAKRA connectors to the infotainment unit and
tuner unit.
Page 13 of 24
22. Install the MOST service cord between the dash harness and gauge control module (straight connector at both ends).
Then, install the FAKRA connectors to the gauge control module.
23. 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.
24. Test-drive the vehicle to confirm the repair. If the repair was not successful after WPC application, proceed with normal
troubleshooting based on customer symptom(s).
Page 14 of 24
REPAIR PROCEDURE - PILOT
1. Remove the side cover.
2. Loosen the upper column cover.
3. Remove the lower dash panel.
Page 15 of 24
4. Remove the screw to loosen the dash panel.
5. Pull back the dash panel to allow the meter bezel removal.
6. Disengage the clips around the meter bezel, then remove the bezel and upper column cover as one piece.
Page 16 of 24
7. 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.
8. Remove the hazard switch panel.
9. Remove the passenger mid dash panel.
Page 17 of 24
10. Remove the two screws, then remove the dashboard center middle trim.
11. Remove the two screws and bolts to remove the DVD player.
NOTE: Some trim levels will have a CD player or dashboard center lower panel.
Page 18 of 24
12. Loosen the two bolts holding the infotainment unit, then remove the unit.
For EX and EX-L trim levels, go to step 20. For Touring, Elite, and Black Edition trim levels, go to step 13
13. Remove the rear cargo trim panel.
14. Remove the aluminum support brace by removing the two bolts.
Page 19 of 24
15. Remove the two rear bolts for the right third row seat.
16. Remove the third row lower seat cushion by removing the three bolts.
17. Remove the two front bolts for the passenger third row seat-back.
Page 20 of 24
18. Remove the passenger door lower trim.
19. Remove the four bolts securing the right quarter panel.
Disconnect the red and green FAKRA connectors at the gauge control module, infotainment unit, DVD player
(if equipped), and tuner unit(Touring, Elite) using the straight FAKRA puller.
Page 21 of 24
NOTE: Disassemble the connectors one at a time to avoid swapping the green and red wires.
Page 22 of 24
20. Using a small screwdriver, remove the secondary lock, then break off the tab as shown. Then, discard the housing and
lock.
21. Pull and twist counterclockwise to remove the housing from the wire.
22. Select the correct color FAKRA housing, then slide the new terminal over the wire until it clicks into place.
23. Line up the locking tabs of the FAKRA housing to the new terminal, then push in the terminal until it clicks into place.
24. Repeat steps 21 through 23 for the other connectors.Then, connect the FAKRA connector to the infotainment unit and
tuner unit.
Page 23 of 24
25. Install the MOST service cord between the dash harness and the gauge control module (straight connectors at both
ends). Then, install the FAKRA connectors to the gauge control module.
26. 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.
27. Test-drive the vehicle to confirm the repair.
END
Page 24 of 24
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