{"nhtsa_id":10008498,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2004-08-03","date":"2004-05-01","document_id":"040604036","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL","mfr_system":null,"summary":"WARRANTY COVERAGE CHANGE FOR EMISSION-RELATED REPROGRAMMING EVENTS. 2005 AND PRIOR GM PASSENGER VEHICLES AND TRUCKS. *MJ","document":null,"url":"https://open.wenmarpro.com/bulletins/10008498","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"HUMMER","model":"H2","year_from":2003,"year_to":2004,"match":"exact","vehicle_ids":["2003_hummer_h2","2004_hummer_h2"]}],"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":[]}