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Service bulletin SSM 53226

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11011936
Published by NHTSA2024-12-18
Manufacturer's numberSSM 53226
Manufacturer's date2024-12-12
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

Some 2020-2021 F-Super Duty vehicles which have received a seat control module-G (SCMG) and/or seat control module-H (SCMH) software update using the Ford Diagnosis and Repair System (FDRS) scan tool may set DTCs U024B and/or U024C in the auxiliary protocol interface module (APIM).

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Trouble codes named

U024B, U024C

Vehicles listed
FORD F-250 SD2020, 2021 (the catalog's model; the bulletin names a series or trim of it)
FORD F-350 SD2020, 2021 (the catalog's model; the bulletin names a series or trim of it)
FORD F-450 SD2020, 2021 (the catalog's model; the bulletin names a series or trim of it)
FORD F-550 SD2020, 2021 (the catalog's model; the bulletin names a series or trim of it)

Listing a model year does not mean every vehicle of it is concerned: the document says which.