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Service bulletin GCUS-3-289

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 id10123495
Published by NHTSA2017-11-17
Manufacturer's numberGCUS-3-289
Manufacturer's date2015-09-18
NHTSA componentENGINE

NHTSA's summary

14287 - Customer Satisfaction Program. On certain 2003-2015 model year Chevrolet Express, 2003-2007 Chevrolet Silverado, 2008-2013 Chevrolet Silverado HD, 2003-2015 GMC Savana, 2003-2007 GMC Sierra 3500, and 2007-2012 GMC Sierra HD model vehicles equipped with a Duramax diesel engine and an engine-block heater (RPO YF2 and K05), continuously activating the engine-block heater through Ambulance body up fit ?shore power? may cause excessive heat buildup, cause a high-resistance short, damage the engine-block heater, or, in rare cases, melt electrical connections or cause an engine-compartment fire. Dealers are to: Replace block heater element with a revised heater equipped with EPDM O-Rings, shorter bolt and improved torque & angle. Disconnect the coolant heater from being powered whenever ?shore power? is plugged in. Add a label to the current cord, ?Avoid continuous use, for Cold Start Only?, unless the cord is damaged at either end, then replace the original cord. Provide the customer with an Owner?s Manual Insert found at the end of this bulletin.

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

Vehicles listed
CHEVROLET EXPRESS2013
CHEVROLET EXPRESS2015
CHEVROLET EXPRESS 15002011 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EXPRESS 35002003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EXPRESS 35002012 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EXPRESS 35002014 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 15002008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002012 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 35002003, 2004, 2005, 2006, 2007 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 35002013 (the catalog's model; the bulletin names a series or trim of it)
GMC SAVANA 35002003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002003, 2004, 2005, 2006, 2007 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA DENALI2007, 2008, 2009, 2010, 2011, 2012 (the catalog's model; the bulletin names a series or trim of it)

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

Recalls for the same vehicles and component
06V2890002006-08-03. ENGINE AND ENGINE COOLING

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

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19-NA-2192024-12-17. Service bulletin. This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.