Honda Accord Hybrid 2023–2024 — technical service bulletin
Bulletin A25-017 · NHTSA communication 11034202 · issued Jun 23, 2026
Technical service bulletin
communication type
Engine
component
2023–2024
model years
4
vehicle entries
Official summary
Service Bulletin - A slight engine vibration and the Malfunction Indicator Lamp (MIL) is ON with DTC P0700 (Transmission Control System MIL Request) set during start-up in below freezing temperatures.
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.