Chevrolet Express 2003–2015 — technical service bulletin
Bulletin GCUS-3-289 · NHTSA communication 10123495 · issued Sep 18, 2015
Technical service bulletin
communication type
Engine
component
2003–2015
model years
48
vehicle entries
Official 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 fi
Vehicles covered
- 2013 Chevrolet Express
- 2015 Chevrolet Express
- 2011 Chevrolet Express 1500
- 2003 Chevrolet Express 3500
- 2004 Chevrolet Express 3500
- 2005 Chevrolet Express 3500
- 2006 Chevrolet Express 3500
- 2007 Chevrolet Express 3500
- 2008 Chevrolet Express 3500
- 2009 Chevrolet Express 3500
- 2010 Chevrolet Express 3500
- 2012 Chevrolet Express 3500
- 2014 Chevrolet Express 3500
- 2008 Chevrolet Silverado 1500
- 2009 Chevrolet Silverado 1500
- 2010 Chevrolet Silverado 1500
- 2011 Chevrolet Silverado 1500
- 2012 Chevrolet Silverado 2500
- 2003 Chevrolet Silverado 3500
- 2004 Chevrolet Silverado 3500
- 2005 Chevrolet Silverado 3500
- 2006 Chevrolet Silverado 3500
- 2007 Chevrolet Silverado 3500
- 2013 Chevrolet Silverado 3500
- 2003 GMC Savana 3500
- 2004 GMC Savana 3500
- 2005 GMC Savana 3500
- 2006 GMC Savana 3500
- 2007 GMC Savana 3500
- 2008 GMC Savana 3500
- 2009 GMC Savana 3500
- 2010 GMC Savana 3500
- 2011 GMC Savana 3500
- 2012 GMC Savana 3500
- 2013 GMC Savana 3500
- 2014 GMC Savana 3500
- 2015 GMC Savana 3500
- 2003 GMC Sierra 3500
- 2004 GMC Sierra 3500
- 2005 GMC Sierra 3500
- 2006 GMC Sierra 3500
- 2007 GMC Sierra 3500
- 2007 GMC Sierra Denali
- 2008 GMC Sierra Denali
- 2009 GMC Sierra Denali
- 2010 GMC Sierra Denali
- 2011 GMC Sierra Denali
- 2012 GMC Sierra Denali
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.