{"nhtsa_id":10038744,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2011-06-27","date":"2011-05-01","document_id":"PI-0474","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:DIESEL","mfr_system":null,"summary":"GM: AN 'ENGINE POWER IS REDUCED' MESSAGE APPEARS AND THERE IS A STORED TROUBLE CODE. THIS IS CAUSED BY WEAR OF THE INTERNAL FUEL INJECTOR. *RM","document":null,"url":"https://open.wenmarpro.com/bulletins/10038744","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"EXPRESS","year_from":2006,"year_to":2010,"match":"exact","vehicle_ids":["2006_chevrolet_express","2007_chevrolet_express","2008_chevrolet_express","2009_chevrolet_express","2010_chevrolet_express"]},{"make":"CHEVROLET","model":"KODIAK","year_from":2006,"year_to":2009,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"SILVERADO","year_from":2006,"year_to":2010,"match":"exact","vehicle_ids":["2006_chevrolet_silverado","2007_chevrolet_silverado","2008_chevrolet_silverado","2009_chevrolet_silverado","2010_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO CLASSIC","year_from":2006,"year_to":2007,"match":"base","vehicle_ids":["2006_chevrolet_silverado","2007_chevrolet_silverado"]},{"make":"GMC","model":"SANANA","year_from":2010,"year_to":2010,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"SAVANA","year_from":2006,"year_to":2010,"match":"exact","vehicle_ids":["2006_gmc_savana","2007_gmc_savana","2008_gmc_savana","2009_gmc_savana","2010_gmc_savana"]},{"make":"GMC","model":"SIERRA","year_from":2006,"year_to":2010,"match":"exact","vehicle_ids":["2006_gmc_sierra","2007_gmc_sierra","2008_gmc_sierra","2009_gmc_sierra","2010_gmc_sierra"]},{"make":"GMC","model":"SIERRA CLASSIC","year_from":2006,"year_to":2007,"match":"base","vehicle_ids":["2006_gmc_sierra","2007_gmc_sierra"]},{"make":"GMC","model":"SIERRA DENALI","year_from":2006,"year_to":2006,"match":"base","vehicle_ids":["2006_gmc_sierra"]},{"make":"GMC","model":"TOPKICK","year_from":2006,"year_to":2009,"match":null,"vehicle_ids":[]}],"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":[]}