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Service bulletin K14810225

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 id10165476
Published by NHTSA2019-09-30
Manufacturer's numberK14810225
Manufacturer's date2019-08-14
NHTSA componentEQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES; LATCHES/LOCKS/LINKAGES

NHTSA's summary

Mack Chassis - Differential Lock Status Alarm And Icon; Differential Lock Alarm Tone Does Not Sound For Entire Duration Of Differential Lock Engagement

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, Equipment and accessories, Latches and locks

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.