WenmarOpen by Wenmar Pro

Service bulletin MYCOM_032521-1

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 id10200686
Published by NHTSA2021-08-30
Manufacturer's numberMYCOM_032521-1
Manufacturer's date2021-03-25
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

Freightliner and Western Star Production Schedule Update Freightliner Cascadia & Western Star 4700, 49X and 5700XE Production Schedule Update We recently communicated to our Freightliner Trucks dealer distribution network the rolling production delays for medium-duty truck models built at our Mount Holly and Santiago Truck Manufacturing Plants(TMP). The effects of the COVID-19 pandemic continue to impact global semiconductor supply chains and the prolonged duration of these shortages have reached our heavy-duty truck supply chain as well.

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.

Vehicles listed
FREIGHTLINER CASCADIA2022
WESTERN STAR 47002022
WESTERN STAR 49X2022
WESTERN STAR 57002022

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