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Service bulletin TechTalk566471K

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 id10191859
Published by NHTSA2021-05-07
Manufacturer's numberTechTalk566471K
Manufacturer's date2021-04-26
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Tech Talk discussion on enable to send my chec feature in my 49x truck.

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

Vehicles listed
WESTERN STAR 49X2021

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