U2100 on the 2026 Ford Bronco
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.
| SSM 54992 | 2026-07-13. Service bulletin. 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 "Towbar Configuration" application during first time TRM installation using the Ford Diagnosis and Repair System (FDRS). Dealer installed accessory TRMs are preprogrammed and only the "Towbar Configuration" application should be run during first time TRM installation to configure the TRM properly and support proper function of trailer tow capabilities. Any attempts to program the TRM using the "TRM - Trailer Module (TRM) Configuration" application a |
|---|
1 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.