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Service bulletin PIP4966B

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 id10113036
Published by NHTSA2017-08-15
Manufacturer's numberPIP4966B
Manufacturer's date2013-06-10
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

This Preliminary Information communication provides information to the technician about vehicles that have a malfunction indicator light or service anti-lock brake system message displayed in the Driver Information Center. Technician may find Diagnostic Trouble Code C0055 or P2771. Technician will need to check for excess movement of the tone wheel or output shaft.

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

Electrical system

Trouble codes named

C0055, P2771

Vehicles listed
CADILLAC ESCALADE2008, 2009, 2010, 2011
CADILLAC ESCALADE ESV2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE EXT2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET AVALANCHE2007, 2008, 2009, 2010, 2011
CHEVROLET SILVERADO 15002007, 2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002007, 2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN2007, 2008, 2009, 2010, 2011
CHEVROLET TAHOE2008, 2009, 2010, 2011
GMC SIERRA 25002007, 2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA DENALI2007, 2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON2007, 2008, 2009, 2010, 2011
GMC YUKON DENALI2007, 2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON DENALI XL2007, 2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON XL2007, 2008, 2009, 2010, 2011

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

Recalls for the same vehicles and component
20165972016-11-29. Electrical
20150022014-12-30. Electrical
14V8270002014-12-30. ELECTRICAL SYSTEM:IGNITION
20142772014-07-03. Electrical
14V4070002014-07-02. ELECTRICAL SYSTEM
10V2400002010-06-04. ELECTRICAL SYSTEM
08V4410002008-08-28. ELECTRICAL SYSTEM

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
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PIT5195H2024-08-13. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is +/- 2 MPH at any given speed when looking straight at the needle.
18-NA-1252024-06-28. Service bulletin. This service bulletin provides information for engine oil life monitor operation calculation.