Honda Accord Hybrid 2023–2026 — technical service bulletin
Bulletin AA29051 · NHTSA communication 11021951 · issued Aug 4, 2025
Technical service bulletin
communication type
Electrical System
component
2023–2026
model years
7
vehicle entries
Official summary
Tech Line - Customers may experience error code S001 with their audio unit. The vehicle may also have DTC B2B05-92 CAN Gateway error stored due to the dealership’s wi-fi 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.