{"nhtsa_id":10189752,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-04-03","date":"2021-03-31","document_id":"21B03-S1","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"Certain 2020 Model Year Super Duty F250-F600 Vehicles Equipped with a 10R140 Transmission - Number One Planetary and Ring Gear Assembly- Ref Cust Sat Program 21B03 dated March 3, 2021 In all of the affected vehicles, a distressed No. 1 planetary needle bearing inside the ring gear assembly will generate contamination that may produce rough shifts. A wrench light is likely to come on, and the transmission may go into safe mode and only operate in seventh gear. As damage progresses, the transmission may only be capable of limited vehicle speed or may not engage in forward or reverse","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10189752-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10189752-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10189752","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","year_from":2020,"year_to":2020,"match":"exact","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":[]}