{"nhtsa_id":11034972,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-07-13","date":"2026-07-08","document_id":"SSM 54992","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; UNKNOWN OR OTHER; EXTERIOR LIGHTING","mfr_system":"Trailer Module","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 \"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","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034972-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034972-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11034972","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"lighting","name":"Lighting","parent":null}],"codes":["U2100"],"topics":[],"vehicles":[{"make":"FORD","model":"BRONCO","year_from":2024,"year_to":2026,"match":"exact","vehicle_ids":["2024_ford_bronco","2025_ford_bronco","2026_ford_bronco"]}],"as_of":"2026-10-19","note":"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.","attribution":[]}