{"nhtsa_id":10170927,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-02-04","date":"2020-01-17","document_id":"SSM 48457","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"2020 F-Super Duty vehicles equipped with a 10R140 automatic transmission at times may exhibit a normal skip shift upshifting and downshifting strategy. Typical examples are 1-3 or 3-5 upshift or a 6-4 coasting downshift. This is a normal characteristic and no repairs should be attempted for this condition. For more detailed information about the 10R140 skip gear shift strategy refer to the Workshop Manual (WSM), Section 307-01 > Diagnosis and Testing.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10170927-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10170927-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10170927","components":[{"id":"powertrain","name":"Transmission and driveline","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":[]}