Honda Accord 2023–2025 — technical service bulletin
Bulletin A26-037 · NHTSA communication 11029233 · issued Feb 24, 2026
Technical service bulletin
communication type
Electrical System
component
2023–2025
model years
3
vehicle entries
Official summary
Over The Air - Due to a software programming issue of the Telematics Control Unit (TCU, also referred to as TSU), certain functions may not operate as designed when accessed from the Screen Audio display. This condition results in an error message being displayed on the screen indicating "Setting Update Failure" when customers attempt to change certain settings.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.