NHTSA ID Number: 10193154
Manufacturer Communication Number: A20-058
TSB/Document Date: 2021-05-13
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.
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)
- 💝【Questions? We’re Here Anytime】MK808S is a...
- 🔥🔥🔥【2026 NEWLY RELEASED BI-DIRECTIONAL...
- 【28+ MOST POPULAR RESET SERVICE FOR 150 MAKES】Autel...
- 【ALL SYSTEM DIAGNOSTICS, FACTORY-LEVEL SCANNER】The...
- 【AUT0 SCAN & AUT0V1N, 10X FASTER】How much have you spent...
- 💯【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...
This product presentation was made with AAWP plugin.
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: 2021-05-03
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 |
Service Bulletin
May 03, 2021
20-058
Version 5
2019-21 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 February 18, 2021, to revise the information highlighted in yellow.
AFFECTED VEHICLES
Year
Model
Trim Level
VIN Range
2019-20
Passport
ALL except Sport
ALL
2021
Passport
ALL
ALL
2019-21
Pilot
ALL except LX
ALL
REVISION SUMMARY
Under AFFECTED VEHICLES – 2020 and 2021 Passport was added.
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.
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.
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
2019-20 Passport (EX-L) 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
2019-21 Passport (Elite, Touring)
2019-20 Pilot (EX, EX-L) or 2021 Pilot (EX, EX-L, SE)
2019-20 Pilot (EX-L RES) or 2021 Pilot (EX, EX-L with accessory CD player)
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
4
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
2019-20 Pilot (Black Edition, Elite, Touring)
2021 Pilot (Black Edition, Elite, Touring)
Page 2 of 24
Tool Information
Tool Name
Tool Number
Quantity
Straight FAKRA Puller
07AAC-THRA200
1
WARRANTY CLAIM INFORMATION
The normal warranty applies.
Operation
Number
Description
Flat
Rate
Time
Defect
Code
Symptom
Code
Template
ID
Failed Part Number
0101Q5
Passport EX-L, 21 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
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
2019-20 Pilot EX, EX-L, and
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
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
0101Q7
Pilot Black Edition, Elite,
Touring: Access the gauge
control module, infotainment
unit, tuner unit, and DVD
player. Then, replace the
affected FAKRA connectors,
and install the MOST service
cords to the gauge control
module and DVD player
(includes test-drive).
2.1 hr
03214
03217
A20058F
39540-TG7-AG2
Page 3 of 24
0101Q8
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
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.
REPAIR PROCEDURE - PASSPORT
1. Remove the side cover.
Page 5 of 24
2. Loosen the upper column cover.
3. Remove the lower dash panel.
4. Remove the screw to loosen the dash panel.
Page 6 of 24
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.
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.
Page 7 of 24
8. Remove the hazard switch panel.
9. Remove the passenger mid dash panel.
10. Remove the two screws, then remove the dashboard center middle trim.
Page 8 of 24
11. Remove the two screws and bolts, then remove the dashboard center lower panel or accessory CD player.
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.
Page 9 of 24
14. Remove the rear passenger door trim.
15. Remove the three screws and one clip from the quarter panel, then remove the panel.
Page 10 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 11 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 12 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 13 of 24
REPAIR PROCEDURE - PILOT
1. Remove the side cover.
2. Loosen the upper column cover.
3. Remove the lower dash panel.
Page 14 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 15 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 16 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 17 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 18 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 19 of 24
18. Remove the passenger door lower trim.
19. Remove the four bolts securing the right quarter panel.
20. 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 20 of 24
NOTE: Disassemble the connectors one at a time to avoid swapping the green and red wires.
Page 21 of 24
21. Using a small screwdriver, remove the secondary lock, then break off the tab as shown. Then, discard the housing and
lock.
22. Pull and twist counterclockwise to remove the housing from the wire.
23. Select the correct color FAKRA housing, then slide the new terminal over the wire until it clicks into place.
24. Line up the locking tabs of the FAKRA housing to the new terminal, then push in the terminal until it clicks into place.
25. Repeat steps 21 thru 24 for the other connectors.Then, connect the FAKRA connector to the infotainment unit and
tuner unit.
Page 22 of 24
26. 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 23 of 24
27. Trim levels with CD or DVD player except 2021 trim levels with RES: Install the MOST service cord between the dash
harness and the CD or DVD player (straight connector to the dash harness and the 90 degree connector to the CD or
DVD player). Then, install the FAKRA connectors to the CD or DVD player.
28. 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.
29. Test-drive the vehicle to confirm the repair.
END
Page 24 of 24
- Affordable Solution for Professional-grade Car Diagnostics & Repair: As the budget-friendly OBD2 scanner under $300, the VD70 Lite car diagnostic tool offers 31+ hot resets, full bi-directional controls with 4000+ active tests, all system diagnostics, 8-in-One live data graphing (export as CSV Export/Recording/Playback), CAN FD & DoIP protocols, and long-term free update. Additional features include Auto VIN & Auto Scan, diagnostic report sharing/printing, with coverage for over 10,000 vehicle models worldwide, suitable for DIYers, Car Owners, Technicians, and Mechanics on car repairs and maintenance tasks.
- OBD2 Scanner with Full Bi-directional Control: The Bidirectional scan tool VIDAGTOOL VD70 Lite performs 4000+ active tests that can send execution commands to the ECU module and identify the repair status, covering for windows, doors, ABS, valves, wipers, headlights, rear mirrors, sunroof,and more in-vehicle components. This bidirectional OBD2 scanner is a must-have diagnostic tool for auto technicians and mechanics on a budget! The available function tests vary by model—please check compatibility via vdiagtool2 @ outlook . c o m before purchase.
- OE All Systems Diagnostics & 8-IN-One Data Graphing: VD70 Lite is a dealer-level car scanner diagnostic tool with Auto VIN that can do in-depth diagnostics for 100+ modern car brands, covering all systems including engine, transmission, airbag, ABS, ESP, TPMS, radio, etc, to read/clear code, view live data, freeze frame, and read ECU info. This advanced OBD2 Scanner with 8-in-one data graphing and detailed diagnostic reports makes data viewing more intuitive, ensures quickly accurate repairs by identifying issues, and easily masters the car situation.
- Stay Ahead with 31+ Reset for Faster & Easier Repairs: VDIAGTOOL VD70 Lite scanner for car meets almost all daily maintenance needs for both home mechanics and workshops as a professional automotive scan tool. It can perform Oil Reset, ABS Bleed, Crank Sensor Relearn, Idle Relearn, Injector Coding, Window Initialization, HVAC Calibration, Suspension Calibration, Throttle Matching, etc, ensuring efficient repairs and complete maintenance. Besides, long-term free updates keep its functionality and broad vehicle compatibility up to date. Functions vary by model, please send us the Vehicle Model, Year, VIN for compatibility before purchase.
- 150+ Models, 10000+ Car Coverage & 22 Languages：As a powerful car computer diagnostic tool, VD70 Lite helps you to quickly troubleshoot issues for 95% of US, European, and Asian vehicles. Supporting 22 languages makes it a global car diagnostic scanner for auto mechanics worldwide without language barriers. Note: Simply provide your tool’s S/N and reach out to vdiagtool2 @ outlook . c o m to change the menu language.
- Smarter Diagnostics, Broader Coverage, Greater Value Than $1,000+ Tools: The game-changing VD80BT OBD2 scanner delivers 4000+ active tests, 42+ hot services, advanced ECU coding, PMI & V.A.G Guided—all in one scanner for car. With OE-level full system scan and intelligent topology mapping that cuts diagnostic time by up to 50%, you'll work smarter and faster. Supporting FCA
AutoAuth, CAN FD & DoIP protocols, this car scanner covers over 10,000 vehicle models worldwide. Built for serious pros and DIYers, it features 8" HD screen & 4+64GB storage, 7.3V fast charging with long-lasting battery, and 33–66ft stable wireless connection—making it the most complete diagnostic solution you’ll ever own - Intuitive Topology Map, Fast Locate Faults: Why waste time clicking module by module? VD80BT car diagnostic scanner takes diagnostics to the next level with its intuitive Topology Map—a premium feature usually found in $1000+ obd scanner. With one tap, it performs all system scan and presents all modules and DTCs in a clear, color-coded layout, boosting diagnostic efficiency by up to 200% and helping you locate issues instantly and reduce repair time and costs. Whether you're a pro boosting efficiency or a beginner learning diagnostics, this obd2 scanner diagnostic tool makes fault-finding faster and smarter for you. Note: varies by vehicle model, please check compatibility before purchase
- Wireless Connectivity Simplifies Bi-Directional Control: With 4000+ active tests, including throttle reset, window calibration and solenoid check, VD80BT bidirectional scan tool lets you diagnose and verify functions faster, smarter, and more efficiently. This scanner for car redefines flexibility in bi-directional control through a fully wireless connection, freeing you from the constraints of wired car diagnostic tool in the workshop. Imagine actively controlling components like the A/C clutch, fuel injector, ABS pump, or radiator fan within a wireless range of 33–66ft around the vehicle—all while enjoying stable, high-speed wireless diagnostic and real-time data monitoring
- 42+ Hot Services, One Powerful Scanner for Car: Why pay a shop $100 just to reset a light? VD80BT car scanner diagnostic tool gives you 42+ hot services from basic resets to advanced maintenance tasks like Crank Sensor Relearn, Injector Coding, ABS Bleeding, Oil Reset, Throttle Relearn, EPB, BMS Reset, Tire Size Reset and more. Plus, it offers 100+ vehicle-specific features including Idle Relearn, VIN Write, Brake Fluid Replacement, Fuel Trim Reset, ABS Initialization and more. Whether you’re resetting TPMS or fixing a stubborn SAS, this car computer diagnostic reader delivers shop-grade precision at a fraction of the cost. Varies by model. Send VIN to verify compatibility before purchase
- OE-Level Full System Diagnostics in Your Hands: Dominate diagnostics like a dealership with VD80BT scan tool for all vehicles, delivering factory-grade scanning for aLL systems—including ABS, SRS, ECM, TCM and more. View up to 8 PID graphs simultaneously to quickly catch intermittent issues and troubleshoot with confidence. Easily read and clear DTCs, retrieve freeze frame data, and run active tests for faster, more accurate repairs. It’s like having a dealership-grade scan tool in your pocket, complete with data playback and CSV export for in-depth analysis. Stop guessing and start fixing with surgical precision—professional diagnostics made simple and portable. Check compatibility Please
- 【OE-Level Full System Diagnostics-Lifetime F*REE Software Updates】The VDIAGTOOL D200 OBD2 Scanner for cars is a all system bidirectional scan tool that enjoy lifetime f*ree software updates, delivers complete system coverage. reading/clearing codes across engine, transmission, ABS, SAS, EPB, TPMS plus full access to body, chassis, powertrain and all control modules. This D200 Bidirectional car scanner works with most 1996+ OBD2 gasoline and hybrid cars and light trucks. It does NOT support pure electric and heavy-duty trucks. PLEASE CHECK COMPATIBILITY BEFORE ORDERING or Contact us with VIN to confirm compatibility.
- 【Supports OBD2 Full Functions-ZERO Subscription Fees】D200 Bidirectional OBD2 Scanner is a upgarde of universal car code reader. It supports OBD2 full functions to help you turn off the annoying instrument fault indicator, such as read/clear codes, O2 sensor test, I/M readiness, on-board monitor test, datastream, freeze frame, E-VAP system test, and retrieve vehicle information. This professional obd2 scanner diagnostic tool can full access to diagnostics, reset tools and maintenance features with a single payment. NOTE: The fault code can only be cleared after the vehicle's malfunction has been repaired; please ensure the vehicle issue is fixed before clearing the code.
- 【D200 Hidden 2 Advantages: 1. $169 Expandable 49+ Advanced Resets. 2. $199 Get J2534 P*a*s*s-Thru Programming】Your core car diagnostics and 26 reset remain lifetime f*ree for everyday maintenance. When you need deeper repair capability, upgrade with 3-year access for $169 in Store on VDIAGTOOL App, gaining 49+ advanced resets. D200 configured with J2534 hardware, upgrade only when you need without replacing the entire device. You also can Lifetime Unlock for $199 in Store one-time, perform module programming, software re~flashing and ECU data updates directly. Supports 17+ major brands, including for BMW, for Audi, for GM, for Ford and more. Note:D200 does‘t provide any OE software.
- 【Full Bidirectional Control / Active Tests】The D200 car scanner diagnostic tool is a true bidirectional scan tool that lets you send commands directly to the vehicle’s ECU for active tests. Quickly test fuel pumps, relays, solenoids, injectors, cooling fans, windows, sunroofs and more to verify operation instantly. Get dealership-level diagnostic control at a fraction of the cost (ofter $100-200$ per diagnostic visit), reduce guessworkand confirm repairs faster, avoid unnecessary parts replacement, towing fees and wait times.
- 【26 F*ree Essential Reset & Relearn Functions – Everyday Maintenance Made Easy】Handle common maintenance and repair jobs without visiting the shop. The D200 code readers & scan tools includes 26 f*ree high-demand reset functions, including Oil Reset, EPB Service, SAS Calibration, ABS Brake Bleeding, Throttle Relearn, Injector Coding, Headlight Adjustment, Tire Size Reset and more. Perfect for home car owners, mechanics and DIYers – just plug and diagnose anytime, anywhere! Note: Service functions vary by vehicle model—please confirm compatibility.
This product presentation was made with AAWP plugin.
Last update on 2026-05-13 / Affiliate links / Images from Amazon Product Advertising API