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March 2, 2026 Service bulletin

Poor shift quality with an illuminated powertrain malfunction (wrench) indicator and diagnostic trouble...

Ford technical service bulletin TSB 26-2086 for 2023-2024 Ford F-250 SD, 2023-2024 Ford F-350 SD and 2023-2024 Ford F-450 SD and others.

Bulletin number
TSB 26-2086
Component
Power train
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

Owners of these vehicles have filed 24 complaints in the transmission category.

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