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Service bulletin SF627

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 id10198597
Published by NHTSA2021-06-29
Manufacturer's numberSF627
Manufacturer's date2021-06-04
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Field Service Campaign for FCCC XCM Right-Hand Steering Column Stalk. Our records indicate that an incorrect three-stage engine brake switch was installed on the right-hand column stalk of your vehicle. The steering column stalk will be replaced with a stalk that has a single-stage engine brake switch applicable to a Cummins VGT (Variable Geometry Turbo).

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

Engine

Vehicles listed
FCCC XCM2021

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