{"nhtsa_id":10058259,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2015-08-22","date":"2014-07-16","document_id":"UIB-117","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"GENERAL MOTORS: AN OPTIONAL ENGINE BLOCK HEATER PLUG IN FOR ONBOARD AC POWER AND WITH CONTINUOUS USAGE WILL RESULT IN SHORTING OF WIRES, OVER HEATING SYSTEM, ELECTRICAL FAILURE AND COMPARTMENT ENGINE FIRES. MODEL 2003-15 EXPRESS CUT AWAY VANS, SILVERADO CHASSIS CAB, SAVANA CUT AWAY VANS, SIERRA CHASSIS CAB. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10058259","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"EXPRESS CUTAWAY VAN","year_from":2006,"year_to":2008,"match":"base","vehicle_ids":["2006_chevrolet_express","2007_chevrolet_express","2008_chevrolet_express"]},{"make":"CHEVROLET","model":"SILVERADO","year_from":2003,"year_to":2015,"match":"exact","vehicle_ids":["2003_chevrolet_silverado","2004_chevrolet_silverado","2005_chevrolet_silverado","2006_chevrolet_silverado","2007_chevrolet_silverado","2008_chevrolet_silverado","2009_chevrolet_silverado","2010_chevrolet_silverado","2011_chevrolet_silverado","2012_chevrolet_silverado","2013_chevrolet_silverado","2014_chevrolet_silverado","2015_chevrolet_silverado"]},{"make":"GMC","model":"SAVANA","year_from":2003,"year_to":2015,"match":"exact","vehicle_ids":["2003_gmc_savana","2004_gmc_savana","2005_gmc_savana","2006_gmc_savana","2007_gmc_savana","2008_gmc_savana","2009_gmc_savana","2010_gmc_savana","2011_gmc_savana","2012_gmc_savana","2013_gmc_savana","2014_gmc_savana","2015_gmc_savana"]},{"make":"GMC","model":"SIERRA","year_from":2003,"year_to":2015,"match":"exact","vehicle_ids":["2003_gmc_sierra","2004_gmc_sierra","2005_gmc_sierra","2006_gmc_sierra","2007_gmc_sierra","2008_gmc_sierra","2009_gmc_sierra","2010_gmc_sierra","2011_gmc_sierra","2012_gmc_sierra","2013_gmc_sierra","2014_gmc_sierra","2015_gmc_sierra"]}],"as_of":"2026-10-19","note":"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.","attribution":[]}