{"nhtsa_id":11029924,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-03-10","date":"2026-03-02","document_id":"TSB 26-2086","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"Some of the vehicles listed in the Model statement above may exhibit poor shift quality with an illuminated powertrain malfunction (wrench) indicator and diagnostic trouble codes (DTC) P2704 and P0771 stored in the transmission control module (TCM). This may be due to the software in the TCM. Additional model information: 6.7L Diesel Engine 2023-2024 F-Super Duty F-250/F-350/F-450 2024 F-Super Duty F-550/F-600 built on or after 16-May-2024","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11029924-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11029924-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11029924","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["P0771","P2704"],"topics":[],"vehicles":[{"make":"FORD","model":"F-250 SD","year_from":2023,"year_to":2024,"match":"base","vehicle_ids":["2023_ford_f-250","2024_ford_f-250"]},{"make":"FORD","model":"F-350 SD","year_from":2023,"year_to":2024,"match":"base","vehicle_ids":["2023_ford_f-350","2024_ford_f-350"]},{"make":"FORD","model":"F-450 SD","year_from":2023,"year_to":2024,"match":"base","vehicle_ids":["2023_ford_f-450","2024_ford_f-450"]},{"make":"FORD","model":"F-550 SD","year_from":2023,"year_to":2024,"match":"base","vehicle_ids":["2023_ford_f-550","2024_ford_f-550"]},{"make":"FORD","model":"F-600 SD","year_from":2024,"year_to":2024,"match":"base","vehicle_ids":["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":[]}