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Service bulletin PIP4744B

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 id10113223
Published by NHTSA2017-08-15
Manufacturer's numberPIP4744B
Manufacturer's date2013-08-29
NHTSA componentENGINE

NHTSA's summary

This Preliminary Information communication provides information to the technician about vehicles that have an engine that runs rough, engine misfire or Service Engine Soon Light illuminated or flashing. Technician will find Diagnostic Trouble Code P0300. Technician should inspect the coil pack grounds G122 and G123. Technician should repair if found loose or damaged.

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

Engine

Trouble codes named

P0300

Vehicles listed
BUICK LACROSSE2010, 2011

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

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