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Service bulletin US10_3, 4, 6

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 id10211283
Published by NHTSA2022-05-07
Manufacturer's numberUS10_3, 4, 6
Manufacturer's date2022-04-01
NHTSA componentEXTERIOR LIGHTING

NHTSA's summary

MACK DEFENSE-Direction Indicators plus Brake Light Rear Left, High/Direction Indicators plus Brake Light Rear Left, Low/Direction Indicators plus Brake Light Rear Left, Overload

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
MACK MACK

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