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Service bulletin K68360438

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 id10173449
Published by NHTSA2020-04-06
Manufacturer's numberK68360438
Manufacturer's date2020-03-11
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Description and Function - Premium Tech Tool (PTT) Operation 2589-08-03-18 Exhaust Aftertreatment System Analysis

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
MACK MACK
VOLVO VOLVO

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