{"nhtsa_id":11028838,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-02-17","date":"2026-02-16","document_id":"TSB 26-2050","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"This article supersedes TSB 24-2142 to update the Parts List, Service Procedure (Steps 1-2), and increase the labor operation allowances to reprogram the PCM/TCM. Some of the vehicles listed in the Model statement above may exhibit all of the following conditions: Poor shift quality Illuminated powertrain malfunction (wrench) indicator with diagnostic trouble codes (DTC) P2704 and P0771 stored in the PCM/TCM. This may be due to a calibration in the TCM and/or wear between the input shaft and the E clutch hub causing the input shaft O-rings to become damaged resulting in an open E clutch circuit. Additional model information: 6.7L Diesel Engine 2022-2024 F-550 or F-600 F-Super Duty vehicles built on or before 15-May-2024 with over 5,000 miles (8,000km)","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028838-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028838-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11028838","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["P0771","P2704"],"topics":[],"vehicles":[{"make":"FORD","model":"F-250 SD","year_from":2022,"year_to":2024,"match":"base","vehicle_ids":["2022_ford_f-250","2023_ford_f-250","2024_ford_f-250"]},{"make":"FORD","model":"F-350 SD","year_from":2022,"year_to":2024,"match":"base","vehicle_ids":["2022_ford_f-350","2023_ford_f-350","2024_ford_f-350"]},{"make":"FORD","model":"F-450 SD","year_from":2022,"year_to":2024,"match":"base","vehicle_ids":["2022_ford_f-450","2023_ford_f-450","2024_ford_f-450"]},{"make":"FORD","model":"F-550 SD","year_from":2022,"year_to":2024,"match":"base","vehicle_ids":["2022_ford_f-550","2023_ford_f-550","2024_ford_f-550"]},{"make":"FORD","model":"F-600 SD","year_from":2022,"year_to":2024,"match":"base","vehicle_ids":["2022_ford_f-600","2023_ford_f-600","2024_ford_f-600"]}],"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":[]}