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Service bulletin M-372-001

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 id10218915
Published by NHTSA2022-09-01
Manufacturer's numberM-372-001
Manufacturer's date2022-08-06
NHTSA componentELECTRICAL SYSTEM; ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS

NHTSA's summary

2009 Document reformatted to be published as a TSB in Impact. Daytime Running Lamp (DRL) Relay Block

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, Wiring and fuses

Vehicles listed
MACK CHU2009
MACK CXU2009
MACK GU2009
MACK PINNACLE (CHU)2009
MACK PINNACLE (CXU)2009
MACK TD2009
MACK TD7142009
MACK TITAN (TD)2009

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