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Service bulletin FSB 383-002

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 id10081442
Published by NHTSA2016-10-04
Manufacturer's numberFSB 383-002
Manufacturer's date2015-04-14
NHTSA componentELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT:ELECTRICAL

NHTSA's summary

SPEEDOMETER, REPLACEMENT. TO ENSURE THE PROPER INSTALLATION OF NEW SPEEDOMETER (PART NUMBER 85144379) WHEN REPLACING OLD SPEEDOMETER (PART NUMBER 25165963), YOU MUST FOLLOW THE INSTALLATION, CALIBRATION, AND VALIDATION PROCEDURES OUTLINED IN THIS FIELD SERVICE BULLETIN.

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, Equipment and accessories, Instrument cluster

Vehicles listed
MACK MACK

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