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Service bulletin PV729-FSB284-066

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 id10193492
Published by NHTSA2021-05-17
Manufacturer's numberPV729-FSB284-066
Manufacturer's date2018-04-01
NHTSA componentELECTRICAL SYSTEM; ENGINE

NHTSA's summary

Engine control module and aftertreatment control module reprogramming.

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, Engine

Vehicles listed
MACK CHU
MACK CXU
MACK GU
MACK LE
MACK LR
MACK MR
MACK R
MACK TD

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