{"nhtsa_id":10205480,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-12-26","date":"2021-12-13","document_id":"SSM 50342","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Some 2020-2022 F-Super Duty vehicles equipped with a 6.7L engine may experience a lack of power due to snow packing of the engine air cleaner when operating in extremely snowy conditions. Diagnostic trouble code (DTC) P1548 may be present in the powertrain control module (PCM). A heavy snow environment pre-filter service kit (service part LC3Z-9K635-AA) is now available for use but is not a warrantable item. It is recommended that the service kit be removed at temperatures greater than 50°F (10°C) and reinstall in subsequent winter seasons in order to maintain optimal vehicle performance.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10205480-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10205480-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10205480","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P1548"],"topics":[],"vehicles":[{"make":"FORD","model":"F-250 SD","year_from":2020,"year_to":2022,"match":"base","vehicle_ids":["2020_ford_f-250","2021_ford_f-250","2022_ford_f-250"]},{"make":"FORD","model":"F-350 SD","year_from":2020,"year_to":2022,"match":"base","vehicle_ids":["2020_ford_f-350","2021_ford_f-350","2022_ford_f-350"]},{"make":"FORD","model":"F-450 SD","year_from":2020,"year_to":2022,"match":"base","vehicle_ids":["2020_ford_f-450","2021_ford_f-450","2022_ford_f-450"]},{"make":"FORD","model":"F-550 SD","year_from":2020,"year_to":2022,"match":"base","vehicle_ids":["2020_ford_f-550","2021_ford_f-550","2022_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":[]}