HomeTSB 26-2086 · FORD
FORD

TSB 26-2086

Manufacturer communications

Publication date
2026-03-02
Received by NHTSA
2026-03-10
NHTSA record numbers
11029924

Manufacturer summary

Original wording in English

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

NHTSA manufacturer communications ↗

Reported code forms

Check vehicle applicability

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

MakeModelModel year
FordF-250 SD2024
FordF-250 SD2023
FordF-350 SD2024
FordF-350 SD2023
FordF-450 SD2024
FordF-450 SD2023
FordF-550 SD2024
FordF-550 SD2023
FordF-600 SD2024

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