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Service bulletin TSB 24-2356

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 id11011812
Published by NHTSA2024-12-12
Manufacturer's numberTSB 24-2356
Manufacturer's date2024-12-04
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

Some 2025 F-650/F-750 vehicles built on or before 10-Oct-2024 equipped with a 6.7L engine may exhibit an illuminated MIL with DTC P20A5 stored in the PCM.

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

P20A5

Vehicles listed
FORD F-550 SD2025 (the catalog's model; the bulletin names a series or trim of it)
FORD F-750 SD2025 (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.