{"nhtsa_id":10174424,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-05-04","date":"2020-04-27","document_id":"SSM 48777","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:ELECTRICAL; EXTERIOR LIGHTING","mfr_system":null,"summary":"Some 2020 F-Super Duty vehicles may exhibit a condition where the turn signals flash fast after removal of the factory pick up box and tail lamps for flatbed installation. To prevent the turn signals from flashing fast, the BCM will need to be configured using the FDRS scan tool. Start a vehicle session in FDRS using the vehicles VIN and go to the toolbox tab. The BCM will have an application labeled Turn Signal Lamp Configuration. Download and run this application to configure the turn signals.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10174424-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10174424-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10174424","components":[{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"lighting","name":"Lighting","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"F-250 SD","year_from":2020,"year_to":2020,"match":"base","vehicle_ids":["2020_ford_f-250"]},{"make":"FORD","model":"F-350 SD","year_from":2020,"year_to":2020,"match":"base","vehicle_ids":["2020_ford_f-350"]},{"make":"FORD","model":"F-450 SD","year_from":2020,"year_to":2020,"match":"base","vehicle_ids":["2020_ford_f-450"]},{"make":"FORD","model":"F-550 SD","year_from":2020,"year_to":2020,"match":"base","vehicle_ids":["2020_ford_f-550"]}],"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":[]}