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Service bulletin PI543

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 id626988
Published by NHTSA2002-02-04
Manufacturer's numberPI543
Manufacturer's date2001-12-18
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

SUBJECT REGARDING CERTAIN VEHICLES, INCLUDING CV MODEL CHASSIS MANUFACTURED BETWEEN 28-MAY-2001 AND 15-AUG-2001, TILT RAY RELAY CIRCUIT CORRECTION. *SLC

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

Vehicles listed
MACK CV

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