A23-045

Service Bulletin
June 2, 2023
23-045
Version 2
Accord CAN Gateway Errors DTC B2B05-92 and Code K201
Supersedes 23-045, dated May 23, 2023, to revise the information highlighted in yellow.
AFFECTED VEHICLES
Year
Model
Trim Level
VIN Range
2023
Accord
ALL
ALL
2023
Accord Hybrid
ALL
ALL
REVISION SUMMARY
• Under AFFECTED VEHICLES, Accord Hybrid was added.
•
Under REPAIR PROCEDURE, a bullet point was added under step 5.
SYMPTOM
Some customers experience the following errors: DTC B2B05-92 and Code K201. These errors will prevent System
Updates from functioning.
In all trims, the message “System update is not available. See your dealer” may appear in the gauge. When i-HDS is used
to perform an All DTC Scan, the DTC B2B05-92 will be returned.
In Hybrid trims, the audio unit may also display Code K201.
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.
© 2023 American Honda Motor Co., Inc. – All Rights Reserved
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POSSIBLE CAUSE
A software issue in the Telematics unit causing the error to occur. Under certain conditions, if the Power Mode is set to Off
while a software update is preparing for installation, the DTC and Code can appear.
CORRECTIVE ACTION
Restart the OTA System, then update the Telematics unit to the latest software version. If the software is up to date, and
the DTC returns, follow the trouble shooting steps for DTC B2B05-92.
WARRANTY CLAIM INFORMATION
The normal warranty applies.
Operation
Number
Description
Flat Rate
Time
Defect
Code
Symptom
Code
Template
ID
Failed Part Number
0545A2
Restart the OTA
System (includes DTC
check and clear)
0.2 hr
03214
03217
A23045A
8B100-30A-A71
C
Update the Telematics
unit.
0.2 hr
Skill Level: Repair Technician
SOFTWARE INFORMATION
NOTE: Unnecessary or incorrect repairs resulting from a failure to update the diagnostic and reprogramming software are
not covered under warranty.
Before beginning the repair, make sure all diagnostic and reprogramming software are updated as listed.
i-HDS Software Version
1.008.008 or later
HDS Software Version
3.105.009 or later
Honda ECU Reprogramming
3.4.0.0 or later
For more information about updating vehicle systems, refer to service bulletin 22-100, Updating Control Units/Modules with
the ECU Reprogramming Application.
Update only the systems and software listed in this service bulletin.
Do not use the MongoosePRO VCI for this service bulletin as it is not an American Honda-approved device.
Year/Model
Vehicle System
Program ID (or later)
2023 Accord ALL
TCU
8B010-30A-A030
REPAIR PROCEDURE
NOTE:
• Restart the OTA System, then update the Telematics Unit to the latest software version.
•
If the software is up to date and the code reappears, follow the troubleshooting steps for DTC B2B05-92.
1. Use iHDS to connect to the vehicle.
2. Do an All DTC Scan.
3. Do an All DTC Clear.
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4. Restart the OTA System.
NOTE: The pathway should be as follows: System Selection Menu > CAN Gateway > Adjustment > Restart the
OTA System
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5. Use the ECU Reprogramming to perform a software update on the TCU.
NOTE:
• CGW update must be installed prior to the TCU Software update.
•
For more information about updating vehicle systems, refer to service bulletin 22-100, Updating Control
Units/Modules with the ECU Reprogramming Application.
•
If the software is up to date and the code reappears, follow the troubleshooting steps for DTC B2B05-92.
END
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