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Service bulletin 21M05 S3

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 id10226945
Published by NHTSA2022-12-02
Manufacturer's number21M05 S3
Manufacturer's date2022-11-22
NHTSA componentLATCHES/LOCKS/LINKAGES:FUELING/CHARGING DOOR/HATCH/PORT:LATCH/LOCK RELEASE SYSTEM; UNKNOWN OR OTHER; ELECTRICAL SYSTEM:WIRING; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

NHTSA's summary

Certain 2017-2022 Model Year Super Duty Vehicles Equipped with a Power Release Tailgate - Unintended Tailgate Opening REASON FOR THIS SUPPLEMENT Technical Information: Updated with revised instructions to account for wiring harness changes that were implemented into production and changes to the tailgate latch control assembly removal and installation procedures. As a result, the Labor Allowances and Parts Requirements / Ordering Information have also been updated accordingly. Parts Requirements/Ordering Information: All parts are on open order. Special Service Support Center (SSSC) contact is no longer required to order tailgate actuator ground wiring kit.

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.

Components

Electrical system, Equipment and accessories, Labels and manuals, Latches and locks, Wiring and fuses

Vehicles listed
FORD F-250 SD2017, 2018, 2019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it)
FORD F-350 SD2017, 2018, 2019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it)
FORD F-450 SD2017, 2018, 2019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it)
FORD F-550 SD2017, 2018, 2019, 2020, 2021, 2022 (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.