Ford Bronco 2024–2026 — technical service bulletin
Bulletin SSM 54992 · NHTSA communication 11034972 · issued Jul 8, 2026
Technical service bulletin
communication type
Exterior Lighting
component
2024–2026
model years
3
vehicle entries
Official summary
Some 2024-2026 Bronco vehicles may exhibit various TRM concerns when attempting first time installation of a dealer installed accessory TRM, including one or more of the following: TRM unable to be programmed -Trailer lights inoperative -DTC U2100 stored in the TRM. This may be due to any of the following conditions:-The incorrect trailer tow kit is being installed. The TRM is model year specific. Refer to the parts catalog using the VIN and base part number 15A416 for the vehicle specific trailer tow kit.-The "TRM - Trailer Module (TRM) Configuration" application being run instead of the "Tow
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.