{"nhtsa_id":10203654,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-12-01","date":"2021-11-18","document_id":"TSB 21-2407","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"Some 2021 F-150 vehicles equipped with a 10R80 MHT transmission and built on or before 23-Apr-2021 may exhibit a harsh 1-3 upshift and/or a harsh electric to gas engine drive transition. This may be due to the software in the powertrain control module (PCM). To correct the condition, follow the Service Procedure to reprogram the PCM.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10203654-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10203654-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10203654","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"F-150","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_ford_f-150"]}],"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":[]}