NHTSA ID Number: 10198172
Manufacturer Communication Number: A20-058
TSB/Document Date: 2021-06-22
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.
Service Bulletin
June 17, 2021
20-058
Version 6
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 May 03, 2021, to revise the information highlighted in yellow.
AFFECTED VEHICLES
Year
Model
Trim Level
VIN Range
2021
Passport
ALL
ALL
2021
Pilot
ALL except LX
ALL
REVISION SUMMARY
•
Under AFFECTED VEHICLES, 2019–20 models were removed, refer to S/B 21-012, Warranty Extension: 2019-20
Passport/Pilot MOST Bus Network Connectors.
•
Under PARTS INFORMATION, model information was updated.
•
Under WARRANTY INFORMATION, the description information was updated.
•
Under REPAIR PROCEDURE, step 26 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 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 25
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 90 Degree (Green)
39165-TG7-AA0
1
MOST Service Cord RX 90 Degree (Red)
39165-TG7-AB0
1
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 (EX, EX-L with accessory CD player)
2021 Pilot (Black Edition, Elite, Touring)
Tool Information
Page 2 of 25
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
0101Q6
2021 Pilot with CD player:
Access the gauge control
module, infotainment unit, and
CD player. Then, replace the
affected FAKRA connectors,
and install the MOST service
cords to the gauge control
module and CD player
(includes test-drive).
1.6 hr
03214
03217
A20058E
39540-TG7-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 25
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 25
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 25
REPAIR PROCEDURE - PASSPORT
1. Remove the side cover.
2. Loosen the upper column cover.
3. Remove the lower dash panel.
Page 6 of 25
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 25
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 25
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 25
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 25
15. Remove the three screws and one clip from the quarter panel, then remove the panel.
Page 11 of 25
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 25
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 25
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 25
REPAIR PROCEDURE - PILOT
1. Remove the side cover.
2. Loosen the upper column cover.
3. Remove the lower dash panel.
Page 15 of 25
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 25
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 25
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 25
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 25
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 25
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 25
NOTE: Disassemble the connectors one at a time to avoid swapping the green and red wires.
Page 22 of 25
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 thru 24 for the other connectors.Then, connect the FAKRA connector to the infotainment unit and
tuner unit.
Page 23 of 25
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.
Page 24 of 25
26. Accesory CD Player: Install the MOST service cord between the dash harness and the CD player (straight connector to
the dash harness and the 90 degree connector to the CD player). Then, install the FAKRA connectors to the CD
player.
27. 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.
28. Test-drive the vehicle to confirm the repair.
END
Page 25 of 25
- 💯【Conta.ct us for Support Directly】If you met any...
- 🔥🔥🔥【2026 AUTEL FLAGSHIP MK900BT MK900-BT, NEW...
- 🚗【3000+ ACTIVE TESTS (50➡3000+), SAME AS MS...
- 🚗【40+ HOT SERVICES FOR 150 MAKES (28+➡40+)】Full...
- 🚗【OE ALL SYSTEM DIAGNOSE, AUTO SCAN 2.0: SCAN LICENSE...
- 【TURN OFF CEL】 This AL319 car scanner diagnostic tool...
- 【EXTENSIVE APPLICATION】 Autel AL319 Compatible with...
- 【FOR END USER & DIYERS】 This error code reader AL319 is...
- 【USER-FRIENDLY DESIGN】 This OBD2 scanner and check...
- 【HIGH-QUALITY SERVICES】 12 months war.ranty from the...
If the PDF is very large, it may not load in the preview below.
Some older TSBs had multiple PDFs — visit the NHTSA Website to view all PDFs.
If the TSB PDF does not show, download or view it on the NHTSA Website.
Click on the (+) Plus Sign
Then Click on Associated Document(s)
Search NHTSA Database for Recalls
Search NHTSA Database for Vehicle Investigations
View Latest Vehicle Investigations
Search NHTSA Database for Vehicle Complaints
View Latest Vehicle Complaints
TSB/Document ID: A20-058
Replacement Service Bulletin Number:
MFR Communication Date: 2021-06-17
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
- [Notice] When you receive a used device, it may be a customer return resold by Amazon without inspection. You can exchange it for a new one through Amazon. As this situation is unavoidable, we sincerely apologize. For any issues, contacting us via Amazon's "Messages" is the best way. THINKSCAN 689BT Bidirectional Scan Tool Can Be Used Immediately After It is Turned On, Without Complicated Registration Process, Which is More Convenient & Quick.
- Full Bi-Directional Control & 3000+ Active Tests: Take control and test components like actuators, fuel injectors, relays, and cooling fans in real time. You’ll quickly see if the problem is in the part itself or the control module — saving you hours of guesswork and frustrating trial-and-error.
- Advanced ECU Coding Capabilities: Handle module matching and hidden feature activation with confidence. When you replace an ECU or want to customize settings, this obd2 scanner diagnostic bi directional tool gives you the professional-level capabilities you need without the dealership price tag.
- 34+ Useful Reset and Maintenance Functions: Complete everyday service tasks smoothly with a wide range of helpful reset and maintenance functions. Whether you’re keeping up with regular upkeep or tackling a specific job, this scanner makes maintenance simpler and less stressful for both DIYers and pros.
- Comprehensive Full System Diagnostics: Diagnose every major system — Engine, Transmission, ABS, SRS, TPMS, and more — all in one place. Finally stop wondering if you’re missing something important; get the full picture and clear codes with ease.
- Top Reasons to Choose the D7S OBD2 Scanner: XTOOL D7S car scan tool, an upgrade of XTOOL D7, offers comprehensive features for automotive technicians, workshops, and DIY enthusiasts 1. Upgraded Hardware: 2+64GB memory, rear camera, intuitive interface, foldable bracket 2. Complete Diagnostics: FCA
Autoauth, OE-level all system scan, 39+ maintenance services, 4K+ bidirectional, CANFD/DoIP protocol 3. Advanced Capabilities: ECU c0ding, PMI functions 4. Wide Compatibility: Support 10,000+ models, covering 99% vehicle brands 5. Multi-language: Available in 22+ languages, No IP Restrictions 6. 3-Year Updates: Save 300 bucks on software updates for the latest features and optimizations - 2026 Upgraded D7S Car Scanner Features: The newly 2026 D7S V2.0 scanner for car brings exciting features for advanced vehicle diagnostics and enhanced user experience 1. FCA AutoAuth: Now supports FCA SGW module for Chrysler, for Jeep, for Dodge (2018+), for Fiat (2017+), enabling faster vehicle communication without gateway restrictions 2. PMI (Offline ECU Pr0gramming): Allows for Ford, for Lincoln, and for Mazda ECU pr0gramming for new modules 3. Optimized Diagnostic Report 2.0: Personalized reports with logos and customer info for auto shops. Note: Compatibility varies by cars, please check before order
- 39+ Services/Resets/Adaptations/Relearns/Calibrations: XTOOL D7S full system car scanner diagnostic tool tackles 99% of common car issues through its 36+ special functions, including Oil Reset, EPB, SAS, BMS, Throttle Reset, Injector C0ding, ABS Bleed, TPMS Reset, Power Balance, etc and also covers specific-vehicle functions like Crank Sensor Relearn, ABS Initialization, Cylinder Power Balance, Fuel Trim Reset, Idle Relearn etc. This car diagnostic scanner enhances efficiency, making repairs and maintenance hassle-free. Tip: DO NOT for All vehicles, please check compatibility first
- Cost-effective ECU C0ding Scan Tool for Specific Brands: Enhance your vehicle's performance with XTOOL D7S! This obd2 scanner all systems bidirectional offers advanced capabilities at an affordable price, supports online for BMW, for Benz and offline for BENZ, for MIT, along with PMI functions for Ford, for Mazda, and for Lincoln. Ideal for technicians and DIY enthusiasts, this automotive scanner diagnostic tool optimizes vehicle performance and enhances the driving experience. Note: Not for all cars and modules, please send car VIN to check the compatibility before purchase
- OE All System Diagnostic & 8 Pids Graphing: XTOOL D7S is a comprehensive all system bi directional obd2 scanner that delivers dealer-level diagnostics, completely controlling over your vehicle’s performance and health. This automotive scan tool can read and clear DTCs, view live data and ECU information, retrieve freeze frames, and perform active tests and full obd2 functions. This bi-directional scan tool can can identify your vehicle's make, model, and year information with just one click and show up to 8 PIDs live data with options for CSV viewing, playback, and recording for in-depth analysis. It is easy-to-use for both professionals and beginners, helping pinpoint issues efficiently
- 【✅Compared to BOSSCOMM IF742, IF745 Offers Full-System Diagnostics】The BOSSCOMM IF745 car diagnostic scanner is an upgraded model of IF742. In addition to supporting all OBD2 Code Reader functions and 6 reset options (ABS/EPB/SAS/BMS/Oil/Throttle), it expands diagnostics from 4 systems (Check Engine/ABS/SRS/Transmission) to vehicle All systems, including Steering, Suspension, and Body Electronics. This provides deeper, more comprehensive diagnostic capabilities.
- 【✨10 OBD2 Functions】The BOSSCOMM IF745 scan tool’s DTC Lookup instantly translates fault codes into user-friendly explanations, its I/M Readiness feature streamlines emissions testing with a single tap, and Freeze Frame lets you pinpoint the exact moment of a fault for in-depth root-cause diagnosis. Combined with a live data dashboard and advanced diagnostics (O2S, OBMon, EVAP), it delivers comprehensive insights for confident troubleshooting.
- 【✨Deep Diagnostics for All Vehicle System Modules】Beyond code reading/clearing and ECU information retrieval, our all-in-one data stream feature lets you inspect all current fault codes and their locations across the vehicle’s systems. This vehicle code reader helps you turn off dashboard warning lights and perform a comprehensive self-check of your car at home—no more back-and-forth trips to the repair shop or hefty inspection fees.
- 【✨6 Essential Resets: ABS Bleeding, Oil, EPB, SAS, Throttle, BMS】The BOSSCOMM IF745 obd2 scanner diagnostic tool swiftly purges air from brake lines to restore braking sensitivity, fine-tunes maintenance cycles to eliminate false alerts, resolves parking brake issues with one-click control, recalibrates steering sensors for stability, optimizes engine idling/acceleration for smoother performance, and deeply resets battery systems to extend lifespan and range via precise parameter adjustments.❗NOTE: Does NOT support bidirectional control, coding, or programming.
- 【✨10,000+ Car Models, AutoVIN, 13 Languages】The BOSSCOMM IF745 vehicle scanner diagnostic tool covers 73+ global car brands and offers support in 13 languages, making it perfect for DIYers, auto mechanics, or as a thoughtful gift. With a single-click AutoVIN feature, it instantly retrieves vehicle serial numbers, streamlining diagnostics for users globally. This adaptable tool balances user-friendliness with precision, catering to both personal and professional requirements.✅Unsure about compatibility? Compatibility will vary on vehicles' model and year, pls reach us via 📧 [email protected] 📧 before purchase.
This product presentation was made with AAWP plugin.