{"nhtsa_id":10043505,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2012-04-06","date":"2012-01-01","document_id":"SC-11304","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL","mfr_system":null,"summary":"CHEVROLET/GMC: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ILLUMINATION OF CHECK ENGINE SOON LIGHT MAY BE CAUSED BY EVAPORATIVE EMISSION CANISTER PURGE SOLENOID VALVE NOT FUNCTIONING PROPERLY. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10043505","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO","year_from":2009,"year_to":2009,"match":"exact","vehicle_ids":["2009_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA","year_from":2009,"year_to":2009,"match":"exact","vehicle_ids":["2009_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":[]}