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Service bulletin K38438211

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 id10152934
Published by NHTSA2019-02-19
Manufacturer's numberK38438211
Manufacturer's date2018-12-21
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

V-MAC III - Active Code ( MID 128, SID 81 ) After Flashing The EECU To Step 5

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
MACK CH
MACK CV
MACK CX
MACK DM
MACK LE
MACK MR
MACK RB
MACK RD

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