Honda Accord Hybrid 2023–2026 — technical service bulletin
Bulletin AEBM04032026903 · NHTSA communication 11031279 · issued Apr 4, 2026
Technical service bulletin
communication type
Power Train
component
2023–2026
model years
5
vehicle entries
Official summary
Dealer Message - The current radiator guard does not provide adequate protection. Roadway debris can cause damage to the Power Control Unit (PCU) radiator which may lead to coolant leakage, illumination of multiple Malfunction Indicator Lights (MIL), and/or loss of driving force.
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.