{"nhtsa_id":10011071,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2004-12-28","date":"2004-10-01","document_id":"040844014A","mfr_campaign":null,"replaces":"040844014B","component":"STRUCTURE:BODY","mfr_system":null,"summary":"BUZZ TYPE NOISE COMING FROM REAR SPEAKERS. *TT UPDATE. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10011071","components":[{"id":"structure-body","name":"Body and frame","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BUICK","model":"RAINIER","year_from":2004,"year_to":2005,"match":"exact","vehicle_ids":["2004_buick_rainier","2005_buick_rainier"]},{"make":"CHEVROLET","model":"TRAILBLAZER","year_from":2004,"year_to":2005,"match":"exact","vehicle_ids":["2004_chevrolet_trailblazer","2005_chevrolet_trailblazer"]},{"make":"CHEVROLET","model":"TRAILBLAZER EXT","year_from":2004,"year_to":2004,"match":"base","vehicle_ids":["2004_chevrolet_trailblazer"]},{"make":"CHEVROLET","model":"TRAILBLAZER EXT 370","year_from":2005,"year_to":2005,"match":"base","vehicle_ids":["2005_chevrolet_trailblazer"]},{"make":"GMC","model":"ENVOY","year_from":2004,"year_to":2005,"match":"exact","vehicle_ids":["2004_gmc_envoy","2005_gmc_envoy"]},{"make":"GMC","model":"ENVOY XL","year_from":2004,"year_to":2004,"match":"base","vehicle_ids":["2004_gmc_envoy"]},{"make":"GMC","model":"ENVOY XUV","year_from":2004,"year_to":2004,"match":"base","vehicle_ids":["2004_gmc_envoy"]},{"make":"OLDSMOBILE","model":"BRAVADA","year_from":2004,"year_to":2004,"match":"exact","vehicle_ids":["2004_oldsmobile_bravada"]}],"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":[]}