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Service bulletin ICI23-046

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 id10246170
Published by NHTSA2023-12-06
Manufacturer's numberICI23-046
Manufacturer's date2023-11-14
NHTSA componentEXTERIOR LIGHTING

NHTSA's summary

Important Campaign Information Letter for SF675 - Revised Work Instructions. This letter is to inform you that Table 3, Step 22 (page 61) has been updated, along with the Notes throughout the sub-steps of Step 22.

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

Lighting

Vehicles listed
WESTERN STAR 47X2022 to 2024
WESTERN STAR 49X2022 to 2024

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