Honda Accord Hybrid 2023–2025 — technical service bulletin
Bulletin A26-025 · NHTSA communication 11031756 · issued Apr 21, 2026
Technical service bulletin
communication type
Power Train
component
2023–2025
model years
3
vehicle entries
Official summary
Service Bulletin - The current Power Control Unit (PCU) Radiator Guard does not provide adequate protection. Roadway debris can cause damage to the PCU Radiator which may result in multiple warning lights, Malfunction Indicator Lights (MIL), and decreased hybrid system performance.
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.