{"nhtsa_id":10056451,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2014-12-05","date":"2014-09-01","document_id":"SCB-14370","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:DIESEL","mfr_system":null,"summary":"GMC/CHEVROLET: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. DUE TO EXHAUST GAS RECIRCULATION (EGR) COOLER, PLUGGED WITH CARBON, IN DIESEL ENGINES, THE MALFUNCTION INDICATOR LAMP (MIL) WILL ILLUMINATE. MODEL 2010-2011 EXPRESS,SAVANA. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10056451","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"EXPRESS","year_from":2010,"year_to":2011,"match":"exact","vehicle_ids":["2010_chevrolet_express","2011_chevrolet_express"]},{"make":"GMC","model":"SANANA","year_from":2010,"year_to":2010,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"SAVANA","year_from":2011,"year_to":2011,"match":"exact","vehicle_ids":["2011_gmc_savana"]}],"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":[]}