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Service bulletins for the 2026 Ford Bronco

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

31 on file from NHTSA, as of 2026-10-19.

About U2100 on the 2026 Ford Bronco: what the code means, and the bulletins and recalls about the same components.

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Only bulletins with trouble code: U2100 are shown. Show all

Bulletins, newest first
SSM 549922026-07-13. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER; EXTERIOR LIGHTING. 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

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.