{"nhtsa_id":10189776,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-04-03","date":"2021-03-04","document_id":"TSB 21-2057","mfr_campaign":null,"replaces":null,"component":"FUEL SYSTEM, GASOLINE","mfr_system":null,"summary":"Some 2020-2021 F-Super Duty vehicles equipped with a 6.7L engine built on or before 10-Feb-2021 may exhibit a thump/whine/knock noise from the fuel tank at idle or during key on, engine off (KOEO). The noise may be more pronounced at fuel levels at or below 1/4 tank. This may be due to the fuel pump strategy in the powertrain control module (PCM) software. To correct the condition, follow the Service Procedure to reprogram the PCM.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10189776-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10189776-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10189776","components":[{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"F-250 SD","year_from":2020,"year_to":2021,"match":"base","vehicle_ids":["2020_ford_f-250","2021_ford_f-250"]},{"make":"FORD","model":"F-350 SD","year_from":2020,"year_to":2021,"match":"base","vehicle_ids":["2020_ford_f-350","2021_ford_f-350"]},{"make":"FORD","model":"F-450 SD","year_from":2020,"year_to":2021,"match":"base","vehicle_ids":["2020_ford_f-450","2021_ford_f-450"]},{"make":"FORD","model":"F-550 SD","year_from":2020,"year_to":2021,"match":"base","vehicle_ids":["2020_ford_f-550","2021_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":[]}