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Service bulletin PIP-4664

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 id10032889
Published by NHTSA2010-06-08
Manufacturer's numberPIP-4664
Manufacturer's date2009-06-01
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:DIESEL

NHTSA's summary

GMC/CHEVROLET: DTC P0101 WITH NON GM AIR FILTER. MAY ENCOUNTER CONCERN OF REDUCED POWER AND SES LIGHT ON. DIAGNOSTICS MAY REVEAL MAF (MASS AIR FLOW) SENSOR DTC P0101. IF DIAGNOSTICS WERE INCONCLUSIVE ITS POSSIBLE DTC P0101 IS SETTING DUE TO A NON GM AIR FILTER. NON GM AIR FILTERS HAVE SHOWN A SLIGHTLY HIGHER THAN NORMAL MAF READING. *PE

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

Engine

Trouble codes named

P0101

Vehicles listed
CHEVROLET SILVERADO2007, 2008, 2009
GMC SIERRA2007, 2008, 2009

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

Other bulletins for the same vehicles and component
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04-06-04-051J2024-10-31. Service bulletin. This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
09-06-04-026Y2024-09-05. Service bulletin. This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
01-06-01-011P2024-09-05. Service bulletin. This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
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PI0652A2024-04-29. Service bulletin. Information on Removing Seized Exhaust Temperature Sensors.
PIP4828B2024-04-15. Service bulletin. Power On Acceleration After Cold Start.
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