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Service bulletin PIC468

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 id39036
Published by NHTSA1995-03-01
Manufacturer's numberPIC468
Manufacturer's date1995-01-01
ReplacesPIC468/0493
NHTSA componentELECTRICAL SYSTEM:IGNITION:MODULE

NHTSA's summary

PROGRAM CHANGE TO CORRECT ERRATIC ENGINE SPEED PRIOR TO ACTUAL SHUTDOWN. *TW

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, Ignition

Vehicles listed
MACK MACK1991 to 1993

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