NHTSA ID Number: 10242214
Manufacturer Communication Number: B23-030
TSB/Document Date: 2023-09-13
Summary
Service Bulletin - The client may experience a popping or crackling noise from the speakers, a blank display, or no sound from the audio system. They may also see a Network Loss message.
Service Bulletin
23-030
September 5, 2023
Version 1
2021–23 TLX Popping/Crackling from the Speakers; Display Blank
AFFECTED VEHICLES
Year
Model
VIN Range
2021–23
TLX
ALL
ALL
BACKGROUND
The client may experience a popping or crackling noise from the speakers, a blank display, or no sound from the audio
system. They may also see a Network Loss message.
CORRECTIVE ACTION
Install the FAKRA splice repair service cables and splice boxes.
PARTS INFORMATION
Part Name
Part Number
Quantity
Splice boxes
9 Splice boxes (18 Halves)
FAKRA splice repair service cable (Green)
4
FAKRA splice repair service cable (Red)
4
90° FAKRA splice repair service cable (Pink)
39165-TGV-305
1
Part Name
Part Number
Quantity
Straight FAKRA Puller
07AAC-THRA200
1
TOOLS INFORMATION
CLIENT 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 Acura
automobile dealer.
©
2023 American Honda Motor Co., Inc. — All Rights Reserved
Page 1 of 18
WARRANTY CLAIM INFORMATION
Normal Warranty Applies
Operation
Number
Description
Flat Rate
Time
0101T5
Access the gauge
1.4hr
control module,
infotainment control
unit, stereo amplifier, inline connector, and
tuner unit, then replace
the affected FAKRA
splice repair service
cables, and splice
boxes.
Defect
Code
Symptom
Code
Template
ID
Failed Part Number
03214
03217
B23030A
39540-TGV-A03
FAKRA CONNECTOR HOUSING DISASSEMBLY/FAKRA SPLICE REPAIR SERVICE CABLE ASSEMBLY
PROCEDURE
1. Follow the steps below to better understand the cable and splice box installation instructions.
2. The connectors will either be the original FAKRA housing or the WPC FAKRA service housing.
NOTE:
•
There may be multiple components that require the affected FAKRA connectors to be removed.
•
Use the straight FAKRA puller to remove the connector from a component.
Original FAKRA Housing Removal Procedure
1. Use a small screwdriver, remove the secondary lock, then release the tab as shown.
2. Pull to remove the housing from the vehicle harness. Then, discard the housing and lock.
Page 2 of 18
WPC FAKRA Service Housing Removal Procedure
1. Release the two locking tabs on the WPC FAKRA service housing and remove the housing from the terminal.
2. Release the lock tab and remove the terminal from the vehicle harness.
FAKRA Splice Repair Service Cable Assembly
1. Install the appropriate FAKRA splice repair service cables and splice boxes as shown in the steps that follow.
NOTE:
•
The splice box arrow must always point in the direction of either the red flag label or red sleeve on the
FAKRA splice repair service cable.
•
If the splice box is installed incorrectly, the repair will fail; MOST Ring failure conditions will still occur.
•
Some vehicle trims may not apply the 90° FAKRA splice repair service cables.
Page 3 of 18
2. Use a small screwdriver to remove the secondary lock, then release the tab.
3. Pull to remove the housing from the cable and then discard the housing and secondary lock tab from the FAKRA
splice repair service cable.
4. Connect the appropriate color FAKRA splice repair service cable to the vehicle harness.
NOTE:
•
Make sure the FAKRA service cable is inserted straight into the vehicle harness terminal to avoid damage at the
cable connection point.
•
Always disassemble the connectors one at a time to avoid swapping the green and red wires.
5. Attach the spice box halves to the cable connection.
Page 4 of 18
6. When mating the two splice box halves, make sure that all 6 lock tabs are fully engaged. You may hear a click
when installing the two halves.
NOTE:
•
The splice box arrow must always point in the direction of the red flag label or red sleeve on the FAKRA
splice repair service cable.
•
The splice box is a ONE-TIME use part. Never reuse the splice box after it has been installed.
•
If any of the lock tabs break during installation, the splice box halve(s) must be replaced.
•
If the splice box is installed incorrectly, the repair will fail; MOST ring failure conditions will still occur.
7. Make sure the arrow on the splice box points towards the reed flag label.
NOTE: Do not spin the splice box or the cables as this can damage the connection point.
Page 5 of 18
8. Once the FAKRA splice repair service cables and splice boxes have been attached to the cable connection, tape
the splice boxes and FAKRA service cables to the appropriate component harness.
NOTE: Make sure the FAKRA splice repair service cables are not bent at the connector(s), as shown below.
Page 6 of 18
REPAIR PROCEDURE
1. Remove the following dash components to gain access to the meter.
Page 7 of 18
2. Remove the following components to gain access to the infotainment unit and amplifier.
3. Remove passenger’s kick panel.
Page 8 of 18
4. Remove the rear trunk floor panels and loosen the right-side liner enough to gain access to the tuner unit.
5. Follow the steps below to install the FAKRA splice repair service cables and splice boxes at each component
location.
NOTE:
See the FAKRA Connector Housing Disassembly/FAKRA Splice Repair Service Cable Assembly Procedure
section above for cable and splice box installation instructions.
Page 9 of 18
GAUGE CONTROL MODULE REPAIR PROCEDURE
1. Locate and turn the gauge control module and remove to access the rear connectors.
2. Disconnect the red and green FAKRA connectors and any other related connectors from the gauge control module.
NOTE: Disassemble the connectors one at a time to avoid swapping the green and red wires.
3. Install the matching color FAKRA splice repair service cables and splice boxes.
NOTE:
•
See the above section FAKRA Connector Housing Disassembly/FAKRA Splice Repair Service Cable
Assembly Procedure section for detailed instructions.
•
The splice box arrow must always point in the direction of the red flag label or red sleeve on the FAKRA
splice repair service cable.
•
The splice box is a ONE-TIME use part. Never reuse the splice box after it has been installed.
•
If any of the lock tabs break during installation, the splice box halve(s) must be replaced.
•
If the splice box is installed incorrectly, the repair will fail; MOST Ring failure conditions will still occur.
Page 10 of 18
4. Tape both FAKRA splice repair cables and splice boxes to the gauge control module harness.
NOTE: Make sure the FAKRA service cables are routed on top of the 32-pin gray connector harness to prevent
improper cable routing.
5. Reconnect the FAKRA connectors and any other related connectors to the gauge control module.
INFOTAINMENT CONTROL UNIT REPAIR PROCEDURE
1. Remove the telematics control unit.
Page 11 of 18
2. Disconnect the gray UG USB cable from the telematics control unit and set the unit off to the side.
3. Disconnect the red and green FAKRA connectors and any other related connectors at the infotainment control unit.
NOTE: Disassemble the connectors one at a time to avoid swapping the green and red wires.
4. Install the matching color FAKRA splice repair service cables and splice boxes.
NOTE:
•
See the above section FAKRA Connector Housing Disassembly/FAKRA Splice Repair Service Cable
Assembly Procedure section for detailed instructions.
•
The splice box arrow must always point in the direction of the red flag label or red sleeve on the FAKRA
splice repair service cable.
•
The splice box is a ONE-TIME use part. Never reuse the splice box after it has been installed.
•
If any of the lock tabs break during installation, the splice box halve(s) must be replaced.
•
If the splice box is installed incorrectly, the repair will fail; MOST Ring failure conditions will still occur.
Page 12 of 18
5. Carefully cut and remove the harness tape.
6. Tape both FAKRA splice repair cables and splice boxes to the infotainment control unit harness.
7. Reconnect the FAKRA connectors and any other related connectors to the infotainment control unit.
8. Reconnect the gray UG USB cable to the telematics control unit.
9. Reinstall the telematics control unit.
Page 13 of 18
STEREO AMPLIFIER REPAIR PROCEDURE
1. Disconnect the red and green FAKRA connectors at the stereo amplifier.
NOTE: Disassemble the connectors one at a time to avoid swapping the green and red wires.
2. Install the matching color FAKRA splice repair service cables and splice boxes.
NOTE:
•
See the above section FAKRA Connector Housing Disassembly/FAKRA Splice Repair Service Cable
Assembly Procedure section for detailed instructions.
•
The splice box arrow must always point in the direction of the red flag label or red sleeve on the FAKRA splice
repair service cable.
•
The splice box is a ONE-TIME use part. Never reuse the splice box after it has been installed.
•
If any of the lock tabs break during installation, the splice box halve(s) must be replaced.
•
If the splice box is installed incorrectly, the repair will fail; MOST Ring failure conditions will still occur.
Page 14 of 18
3. Tape both FAKRA splice repair cables and splice boxes to the stereo amplifier harness.
4. Reconnect the FAKRA connectors and any other related connnectors to the stereo amplifier.
PASSENGER KICK PANEL IN-LINE CONNECTOR REPAIR PROCEDURE
1. Disconnect the pink FAKRA connector at the passenger side kick panel.
2. Install the matching pink FAKRA 90° splice repair service cable and splice box.
NOTE:
•
See the above section FAKRA Connector Housing Disassembly/FAKRA Splice Repair Service Cable
Assembly Procedure section for detailed instructions.
•
The splice box arrow must always point in the direction of the red flag label or red sleeve on the FAKRA splice
repair service cable.
•
The splice box is a ONE-TIME use part. Never reuse the splice box after it has been installed.
•
If any of the lock tabs break during installation, the splice box halve(s) must be replaced.
•
If the splice box is installed incorrectly, the repair will fail; MOST Ring failure conditions will still occur.
Page 15 of 18
3. Tape the pink FAKRA 90° splice repair cable and splice box to the in-line harness.
4. Reconnect the pink 90° in-line FAKRA connector.
Page 16 of 18
TUNER UNIT REPAIR PROCEDURE
1. Disconnect the red and green FAKRA connectors at the tuner unit.
NOTE:
Disassemble the connectors one at a time to avoid swapping the green and red wires.
2. Install the matching color FAKRA splice repair service cables and splice boxes.
NOTE:
•
See the above section FAKRA Connector Housing Disassembly/FAKRA Splice Repair Service Cable
Assembly Procedure section for detailed instructions.
•
The splice box arrow must always point in the direction of the red flag label or red sleeve on the FAKRA splice
repair service cable.
•
The splice box is a ONE-TIME use part. Never reuse the splice box after it has been installed.
•
If any of the lock tabs break during installation, the splice box halve(s) must be replaced.
•
If the splice box is installed incorrectly, the repair will fail; MOST Ring failure conditions will still occur.
3. Tape both FAKRA splice repair cables and splice boxes to the tuner unit harness.
4. Reconnect the FAKRA connectors and any other related connectors to the tuner unit.
Page 17 of 18
REPAIR VERIFICATION PROCEDURE
1. Install all of the removed parts in the reverse order of removal.
NOTE:
•
When reinstalling components, make sure the harness is routed correctly. A misrouted harness can put
pressure on the wires and connectors causing connection issues.
•
Do not pull on the units or MOST cables while the FAKRA connectors are connected to help prevent
communication issues.
2. Start the vehicle and verify that the gauge control module and infotainment control module are operating normally.
Then, push the power button to OFF mode. Open and close the driver’s door, then restart the vehicle. Reverify the
gauge control module and the infotainment control module are operating normally. If all systems operate normally,
the repair is complete.
3. If components do not operate as intended, reinspect FAKRA splice repair service cables, splice box connections,
and routing. Make sure the splice box arrow is pointing to the red flag label or red sleeve on the FAKRA splice box
service cable.
NOTE: If all FAKRA splice repair service cables, splice box connections, and routing are correct, follow normal
troubleshooting procedures per a Service Information search on iN.
END
Page 18 of 18
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TSB/Document ID: B23-030
Replacement Service Bulletin Number:
MFR Communication Date: 2023-09-05
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Communication Type: Service Bulletin/Repair Instructions
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