Ford F-250 SD 2023–2024 — technical service bulletin
Bulletin TSB 26-2086 · NHTSA communication 11029924 · issued Mar 2, 2026
Technical service bulletin
communication type
Power Train
component
2023–2024
model years
9
vehicle entries
Official 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
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.