Ford F-250 SD 2023 — technical service bulletin
Bulletin ECM-25.33.5 SuperDuty · NHTSA communication 11030406 · issued Mar 18, 2026
Technical service bulletin
communication type
Exterior Lighting
component
2023
model years
4
vehicle entries
Official summary
"26C10 Recall remedy -Addresses instances where the trailer lights and trailer brakes may not function"
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.