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Service bulletin 371-040

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 id10057169
Published by NHTSA2015-04-23
Manufacturer's number371-040
Manufacturer's date2014-12-01
NHTSA componentELECTRICAL SYSTEM:WIRING

NHTSA's summary

MACK TRUCKS: 2013-2014 SIGNS OF CORROSION ARE SHOWING FROM THE ANTI-LOCK BRAKE SYSTEM SENSOR CONNECTOR WHICH NEEDS REPLACEMENT. CORROSION OF THE SENSOR CAN CAUSE THE ENGINE TO DE-RATE. *LJ

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Electrical system, Wiring and fuses

Vehicles listed
MACK CHU2013 to 2014

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