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P2704 on the 2024 Ford F-450

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

Nobody has written a description of this code yet.

Bulletins for this model year that name P2704
TSB 26-23752026-08-19. Service bulletin. This article supersedes TSB 26-2050 to increase the labor operation allowance of labor operations A and B. 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)
TSB 26-20862026-03-10. Service bulletin. 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
TSB 26-20502026-02-17. Service bulletin. 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)
TSB 24-21422024-06-12. Service bulletin. This article supersedes TSB 23-2376 to update the Part List and the Service Procedure. Some 2022-2024 F-550 and F-600 F-Super Duty vehicles equipped with a 10R140 automatic transmission and 6.7L diesel engine may exhibit an illuminated powertrain malfunction (wrench) indicator with diagnostic trouble codes (DTCs) P2704 and P0771 stored in the transmission control module (TCM) with poor shift quality and over 5,000 miles (8,000 km) in service. This may be due to 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. To correct this condition, follow the Service Procedure to replace the E clutch hub and input shaft O-rings.

4 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.