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NHTSA ID Number: 11028838

Manufacturer Communication Number: TSB 26-2050

TSB/Document Date: 2026-02-17


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)


Motorcraft Multi-Purpose Grease Spray

Obtain Locally

As Needed

Loctite 243 Threadlocker

Parts - Parts To Inspect And Replace Only If Necessary
Service Part Number Claim Quantity Package Order Quantity Number in Package Description
LC3Z-7B164-C

4

4

1

E Clutch Friction Plates

LC3Z-7B442-E

4

4

1

E Clutch Steel Plates

LC3Z-7B066-B

1

1

1

E Clutch Select Fit Pressure Plate

LC3Z-7B066-C

1

1

1

E Clutch Select Fit Pressure Plate

LC3Z-7B066-D

1

1

1

E Clutch Select Fit Pressure Plate

LC3Z-7B066-E

1

1

1

E Clutch Select Fit Pressure Plate

PC3Z-7F396-A

1

1

1

Fluid Pan Gasket

LC3Z-7N265-A

1

1

1

Main Control Manifold Seal

LC3Z-7G186-A

1

1

1

Transmission Fluid Filter

LC3Z-7N265-B

1

1

1

Fluid Pump Gasket

F2AZ-6397-A

2

1

2

Dowel Pins

LC3Z-7J227-A

4

4

1

Transmission Fluid Cooler O-Ring Seals

LC3Z-7A527-A

1

1

1

Selective Shim (T3)

LC3Z-7A527-B

1

1

1

Selective Shim (T3)

LC3Z-7A527-C

1

1

1

Selective Shim (T3)

LC3Z-7A527-D

1

1

1

Selective Shim (T3)

LC3Z-7A527-E

1

1

1

Selective Shim (T3)

LC3Z-7A527-F

1

1

1

Selective Shim (T3)

LC3Z-7A527-G

1

1

1

Selective Shim (T3)

LC3Z-7A527-H

1

1

1

Selective Shim (T3)

LC3Z-7A527-J

1

1

1

Selective Shim (T3)

LC3Z-7A527-K

1

1

1

Selective Shim (T3)

LC3Z-7A527-L

1

1

1

Selective Shim (T3)

LC3Z-7A527-M

1

1

1

Selective Shim (T3)

Parts - Rear Driveshaft Bolts And Straps - Not All Vehicles Will Use All Of The Parts Listed
Service Part
Number

Claim Quantity

Package Order Quantity

Number in
Package

Description

F1HZ-4N272-A

4 Pieces Required Per
Affected Joint

4 Pieces Required Per
Affected Joint

1

U-Joint Strap Style Bolts - Refer To The Parts Catalog For The VIN
Specific Application

E4HZ-4A254-A

2 Pieces Required Per
Affected Joint

2 Pieces Required Per
Affected Joint

1

U-Joint Straps - Refer To The Parts Catalog For The VIN Specific
Application

N811880-S100

4 Pieces Required Per
Affected Joint

1 Pieces Required Per
Affected Joint

4

U-Joint Flange Style Bolts - Refer To The Parts Catalog For The VIN
Specific Application

BC3Z-4N272-A

2 Pieces Required Per
Affected Joint

2 Pieces Required Per
Affected Joint

1

Driveshaft Center Bearing Bolts - Refer To The Parts Catalog For
The VIN Specific Application

Service part numbers and "number in package" quantity may change after publication, thus also affecting the "package order quantity". Refer to the parts catalog for the
latest information.
Claim Quantity refers to the total number of individual pieces required to repair the vehicle.
Package Order Quantity refers to the amount of the service part number package(s) required to repair the vehicle.
Number In Package refers to the number of individual pieces included in a service part number package.
As Needed indicates the amount of the part may vary and/or is not a whole number. Parts can be billed out as non-whole numbers, including less than 1.
Warranty Status: Warranty coverage limits and policies are not altered by a TSB. Warranty coverage limits are determined by the identified causal part.
Labor Times
Operation
No.

Description

Time

2022-2024 F-Super Duty F550/F600 4X2 6.7L 10R140: Retrieve DTCs, Verify Mileage and Replace The E Clutch Hub And Input Shaft ORings Following The Service Procedure

262050A

10.2
Hrs

2022-2024 F-Super Duty F550/F600 4X4 6.7L 10R140: Retrieve DTCs, Verify Mileage and Replace The E Clutch Hub And Input Shaft ORings Following The Service Procedure

262050B

11.4
Hrs

2023-2024 F-Super Duty F550/F600 4X2/4X4 6.7L 10R140: Reprogram The PCM/TCM If Required (Can Be Claimed With Operation A Or B)

262050C

0.4 Hrs

Repair/Claim Coding
Causal Part:

7P211

Condition Code: 30

Service Instruction
1. Is the vehicle a 2022 F-550 or F-600?

1. Yes - proceed to Step 3.
2. No - proceed to Step 2.
2. Reprogram the PCM/ TCM using the latest software level of the FDRS scan tool.
3. Remove the transmission. Refer to WSM, Section 307-01.
4. Disassemble the transmission. Perform only the necessary steps to remove the E clutch assembly from the transmission case. Refer to WSM, Section 307-01 >
Overhaul.
(1). It is only necessary to remove the following:
• Torque converter
• Main control assembly
• All 4 speed sensors (intermediate speed sensor A [ISSA], intermediate speed sensor B [ISSB], TSS, and OSS)
• Fluid pump
• Front support
• Clutch and planetary assembly
5. Disassemble the clutch and planetary assembly. Perform only the necessary steps to remove the E clutch assembly from the input shaft. Refer to WSM, Section 30701 > Overhaul.
6. Disassemble the E clutch. Discard the E clutch hub. Refer to WSM, Section 307-01 > Overhaul, Steps 170 to 181.
7. Reassemble the E clutch into the new E clutch hub. Refer to WSM, Section 307-01 > Overhaul, Steps 182 to 189.
8. Perform the E clutch clearance measurement. Refer to WSM, Section 307-01 > Overhaul.
CAUTION: The new E clutch hub washer must be installed.
9. To reassemble the clutch and planetary assembly, reverse the removal procedure. Refer to WSM, Section 307-01 > Overhaul.
10. Perform the T3 thrust bearing measurement to set transmission front end clearance. Refer to WSM, Section 307-01 > Overhaul.
11. Reassemble the transmission. Refer to WSM, Section 307-01 > Overhaul.
12. Install the transmission. Refer to WSM, Section 307-01.
13. Perform an adaptive learning drive cycle. Refer to WSM, Section 307-01.
NOTE: Advise the customer that this vehicle is equipped with an adaptive transmission shift strategy which allows the vehicle's computer to learn the
transmission's unique parameters and improve shift quality. When the adaptive strategy is reset, the computer will begin a relearning process. This
relearning process may result in firmer than normal upshifts and downshifts for several days.

© 2026 FordeBay logo Motor Company
All rights reserved.
NOTE: The information in Technical Service Bulletins is intended for use by trained, professional technicians with the knowledge, tools, and equipment to do the job properly and safely. It informs these
technicians of conditions that may occur on some vehicles, or provides information that could assist in proper vehicle service. The procedures should not be performed by "do-it-yourselfers". Do not assume that
a condition described affects your car or truck. Contact a FordeBay logo or LincolneBay logo dealership to determine whether the Bulletin applies to your vehicle. Warranty Policy and Extended Service Plan documentation
determine Warranty and/or Extended Service Plan coverage unless stated otherwise in the TSB article. The information in this Technical Service Bulletin (TSB) was current at the time of printing. FordeBay logo Motor
Company reserves the right to supersede this information with updates. The most recent information is available through FordeBay logo Motor Company's on-line technical resources.

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TSB/Document ID: TSB 26-2050

Replacement Service Bulletin Number:

MFR Communication Date: 2026-02-16

MFR Internal Campaign ID/Software Version:

Communication Type: Service Bulletin/Repair Instructions

NHTSA Components: POWER TRAIN

MFR Component System:

MFR Component Subsystem:


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