Ford F-250 SD 2023–2026 — technical service bulletin
Bulletin SSM 54584 · NHTSA communication 11028851 · issued Feb 16, 2026
Technical service bulletin
communication type
Engine
component
2023–2026
model years
16
vehicle entries
Official summary
Some 2023-2026 F-Super Duty vehicles that require replacement of the heating ventilation and air conditioning (HVAC) module may have previously experienced a PMI that will not complete during installation. This may be due to a concern with the PMI application within the Ford Diagnosis and Repair System (FDRS) scan tool. To correct this condition, navigate to the FDRS application HVAC Programmable Module Installation (PMI) . Click on the download button (if not already downloaded) or the refresh button on the right side of the application (if the application is already downloaded). Hover your m
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.