{"nhtsa_id":10203709,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-12-01","date":"2021-11-25","document_id":"TSB 21-2420","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN; EQUIPMENT","mfr_system":null,"summary":"Some 2020 F-Super Duty vehicles equipped with a 10R140 automatic transmission may exhibit a harsh engagement/harsh shift/delayed shift. It is possible the vehicle may also have an illuminated malfunction indicator lamp (MIL) and diagnostic trouble codes (DTCs) P0729, P0731, P0732, P0733, P0734, P0735, P0736, P076F, P07D9, P07F7, P2700, P2701, P2702, P2703, P2704 and/or P2705 stored in the powertrain control module (PCM) or transmission control module (TCM). This may be due to sticking valves in the main control valve body. To correct the condition, follow the Service Procedure steps to perform the transmission accelerated main control break-in routine for the appropriate clutches and/or overhaul main control valve body.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10203709-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10203709-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10203709","components":[{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["P0729","P0731","P0732","P0733","P0734","P0735","P0736","P076F","P07D9","P07F7","P2700","P2701","P2702","P2703","P2704","P2705"],"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":[]}