{"nhtsa_id":10149769,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-12-03","date":"2018-09-21","document_id":"SSM 47537","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT","mfr_system":null,"summary":"2019 F-Super Duty fleet-only vehicles equipped with a telematics control unit (TCU) may have DTC B1D55 present. These vehicles are not equipped with a secondary antenna due to the fleet-only TCU not requiring a secondary antenna input. If DTC B1D55 is present, but there is no sail antenna present (roof mounted antenna with a small fin), then no repairs should be performed for this DTC.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10149769-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10149769-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10149769","components":[{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":["B1D55"],"topics":[],"vehicles":[{"make":"FORD","model":"F-250 SD","year_from":2019,"year_to":2019,"match":"base","vehicle_ids":["2019_ford_f-250"]},{"make":"FORD","model":"F-350 SD","year_from":2019,"year_to":2019,"match":"base","vehicle_ids":["2019_ford_f-350"]}],"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":[]}