This article supersedes TSB 24-2142 to update the Parts List, Service Procedure (Steps 1-2), and increase...

Bulletin number

TSB 26-2050

Component

Power train

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)

Owners of these vehicles have filed 63 complaints in the transmission category.