Honda Prologue 2025 — technical service bulletin
Bulletin A26-051 · NHTSA communication 11031286 · issued Apr 2, 2026
Technical service bulletin
communication type
Electrical System
component
2025
model years
1
vehicle entries
Official summary
Service Bulletin - Insufficient silicone application to the DC-DC converter can result in excessive heat exposure during charging, leading to overheating of the Power Distribution Control Module (PDCM) and possibly rendering the charging system inoperative.
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.