NHTSA ID Number: 11030678
Manufacturer Communication Number: BB28518
TSB/Document Date: 2026-04-03
Summary
Over The Air System Updates - Vehicles equipped with the System Updates application are capable of downloading and installing Over the Air System updates (OTA). A connection to a Wi-Fi network is needed to perform the update over the air. System updates contain upgrades that fix operational errors and/or provide a variety of enhancements, which adds new functionality. Information about the various software releases can be found in this document.
Over the Air System Updates
March 10, 2026
Version 5
2025–26 MDX: Software Update
Supersedes Version 4 to revise the information at:
•
•
CURRENT SOFTWARE VERSIONS FOR DOWNLOAD, updated information in tables.
AUDIO (1) and AUDIO (2), added information.
APPLIES TO
Year
Model
VIN Range
2025–26
MDX
ALL
ALL
INTRODUCTION
Vehicles equipped with the System Updates application are capable of downloading and installing Over the Air System
updates (OTA). A connection to a Wi-Fi network is needed to perform the update over the air.
System updates contain upgrades that fix operational errors and/or provide a variety of enhancements, which adds new
functionality. Information about the various software releases can be found in this document.
CURRENT SOFTWARE VERSIONS FOR DOWNLOAD
NOTE: If the vehicle was manufactured after the update release date it may contain newer software versions than listed.
Control Unit
Trim
Software Version
Release Date
ENG
All
Initial Release
Initial Release
Control Unit
Software Version
Release Date
CGW
Base SH-AWD
5J802-TYA-A050
05/06/2025
CGW
Tech SH-AWD, A-Spec, Advance, ASpec Advance
5J802-TYA-A150
CGW
TYPE S Advance
5J802-TYB-A050
05/06/2025
CGW
BASE FWD
5J802-TYC-A050
05/06/2025
CGW
TECH FWD
5J802-TYC-A150
05/06/2025
Control Unit
Trim
Software Version
Release Date
AUDIO (1)
All
8A050-TYA-A017
02/26/2026
Control Unit
Software Version
Release Date
AUDIO (2)
All
8A070-TYA-A016
02/26/2026
Control Unit
Software Version
Release Date
TCU
All
8B010-TYA-A020
07/16/2025
Control Unit
Software Version
Release Date
All
Initial Release
Initial Release
© 2026 American Honda
Motor Co., Inc. – All Rights Reserved
05/06/2025
28518
Page 1 of 5
ENG
Initial Release
CGW
Versions: 5J802-TYA-A050, 5J802-TYA-A150, 5J802-TYB-A050, 5J802-TYC-A050, 5J802-TYC-A150
Release: 05/06/2025
This update adds the following enhancements:
• Various performance updates
• Allow for updates larger than 2GB
This update is intended to resolve the following issues:
• An issue that can cause DTC P062F-00
• An issue that can cause DTC B2B05-92
• An issue that can cause some instances of error message S404 and S001.
• System Updates app stuck on Preparing screen
• The displayed update time differs from the audible update time on the installation screen
• An update error screen that is presented with no error code
• Update progress gets stuck and will not proceed
AUDIO (1)
Version: 8A050-TYA-A017
Release: 02/26/26
• This update includes bug fixes and improvements for the Audio Unit.
• Google security updates.
• Various UI and performance enhancements.
• Improved compatibility for MP4 and 3GPP files from USB.
• Resolves issue where steering wheel (Talk) button is not responsive when using CarPlay.
• Resolves issue where steering wheel (Talk) button is not responsive when using Android Auto.
• Improved usability of 3rd party navigation apps.
• Improved pairing off additional Wireless CarPlay devices.
Version: 8A050-TYA-A016
Release: 12/19/25
This update adds the following enhancements:
• Google security updates.
• Resolved an issue that caused error TD02 by improving component communication.
• Improved Wireless AndroidAuto Wi-Fi connectivity.
• Improve responsiveness of CarPlay wake words "Hey Siri".
• Improved Google Assistant function of the Climate Control System.
• Improved issue that can keep center display backlight on when vehicle is shut off.
• Improve Bluetooth device profile recognition.
• Improved memory handling when internal memory is at capacity.
• Improved audio unit startup stability.
Page 2 of 5
Version: 8A050-TYA-A015
Release: 08/18/2025
This update adds the following enhancements:
• Update to Android 13 OS
• Google security patch
• Added support for Android 13 Android Auto
• Added location settings to Alexa setup
• Increased minimum volume level for emergency calls
• Google Assistant is now displayed in the B-zone
This update is primarily intended to resolve or improve the following items:
• Error Code D00D is displayed on the Systems Update app
• System updates application may crash
• Some tones are louder than expected
• Volume adjustment is not displayed on the center screen
• Icons on the device connections menu appear darker than usual
• A profile setup notification appears even after the profile setup is complete
• A blank screen may be displayed
• Certain areas of the screen are blank
• A CarPlay disconnection pop-up appears while connected
• Bluetooth Audio continues to play during microphone input
• Song artwork is not displayed on the instrument panel
• Instrument panel display flickers while using the guest user
• The instrument panel does not switch from the navigation display
• Audio does not resume when using YouTube Music
• The “Initializing” pop-up is stuck on
• The authentication screen cannot be cleared
• Alexa indicates it is offline while connected to a network
• HD radio is stuck on analog after a factory data reset
• Google Assistant does not respond when asking for an ETA
• Google Map’s voice is recognized as the user's voice when using Android Auto
• There is no sound from FM radio
• There is no sound from the front left speaker
• The system restarts during USB playback
• Some variations cannot be selected in the Beosonic tone & surround settings – if equipped.
• Improved wording for various screens
• Improvements to the Alexa application
• Improved displays for 3-way calls
• Improved volume for systems update guidance
• Improved Wi-Fi settings
• Improved Bluetooth Connectivity
Page 3 of 5
AUDIO (2)
Version: 8A070-TYA-A016
Release: 02/26/2026
This update is primarily intended to resolve or improve the following items:
Update version number to stay current with other software.
Version: 8A070-TYA-A015
Release: 12/19/2025
This update is primarily intended to resolve or improve the following items:
Update version number to stay current with other software.
Version: 8A070-TYA-A014
Release: 08/18/2025
This update is primarily intended to resolve or improve the following items:
The welcome screen is stuck frozen (ON) when unlocking/locking the door.
TCU
Version: 8B010-TYA-A020
Release: 07/16/2025
This update is intended to resolve the following issues:
Some Acura Link features stop functioning due to the telematics unit entering a “deep sleep” power saving mode.
TCM
Initial Release
FAQ
Do I need to connect to Wi-Fi to perform an Over the Air (OTA) System Update?
Yes, it is necessary to connect the vehicle to a Wi-Fi network to perform over-the-air updates. To connect to a Wi-Fi
network, follow these steps:
1. Go to the HOME screen on the audio display screen by pressing the HOME button.
2. Select General Settings.
3. Select Connections.
4. Select Wi-Fi.
5. Select Change Mode.
6. Select Network.
NOTE:
• When the mode is changed from Smartphone Connection to Network, a pop-up appears; select Confirm.
•
Select the desired Wi-Fi network.
To download updates automatically, check Use This Network to automatically download system updates.
•
Select Connect.
A password may be required.
See the Owner’s Manual for additional information.
Page 4 of 5
How do I check for an available OTA System Update?
Follow these steps to check for an available Over the Air (OTA) System Update:
1. Go to the HOME screen on the vehicle display audio screen by pressing the HOME button.
2. Select the System Updates application.
3. Select Check for Updates.
4. Follow the on-screen prompts to complete any available updates.
See the Owner’s Manual for additional information.
Will any functions be unavailable during an OTA System Update?
Some functions will not work during the update process. Perform all updates while parked in a safe location.
Can a dealer perform the OTA System Update for me?
Yes, you can schedule an appointment with your dealer to complete the OTA System Update. The dealer may apply a
service charge to perform the update.
How do I check the software version currently installed in my vehicle?
Use the following procedure to confirm the version and update status. Press the HOME button.
1. Select System Updates.
NOTE: If System Updates are not displayed on the home screen, select All Apps.
2. Select Settings.
3. Select Version Status.
See the Owner’s Manual for additional information.
Can updates be performed using a USB device?
No, updates cannot be performed using a USB device.
See the Owner's Manual for additional information.
Page 5 of 5
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TSB/Document ID: BB28518
Replacement Service Bulletin Number:
MFR Communication Date: 2026-03-10
MFR Internal Campaign ID/Software Version: 8A050-TYA-A017
Communication Type: Over The Air
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
MFR Component Subsystem:
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