{"nhtsa_id":10010270,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2004-11-09","date":"2004-01-01","document_id":"3176A","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:APPLIANCE:AIR CONDITIONER","mfr_system":null,"summary":"HEAT COMING FROM VENTS WITH HVAC OFF. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10010270","components":[{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"BLAZER","year_from":1996,"year_to":2004,"match":"exact","vehicle_ids":["1996_chevrolet_blazer","1997_chevrolet_blazer","1998_chevrolet_blazer","1999_chevrolet_blazer","2000_chevrolet_blazer","2001_chevrolet_blazer","2002_chevrolet_blazer","2003_chevrolet_blazer","2004_chevrolet_blazer"]},{"make":"CHEVROLET","model":"S10","year_from":1996,"year_to":2004,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"ENVOY","year_from":1996,"year_to":2001,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"JIMMY","year_from":1996,"year_to":2004,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"SONOMA","year_from":1996,"year_to":2004,"match":"exact","vehicle_ids":["1996_gmc_sonoma","1997_gmc_sonoma","1998_gmc_sonoma","1999_gmc_sonoma","2000_gmc_sonoma","2001_gmc_sonoma","2002_gmc_sonoma","2003_gmc_sonoma","2004_gmc_sonoma"]},{"make":"OLDSMOBILE","model":"BRAVADA","year_from":1996,"year_to":2001,"match":"exact","vehicle_ids":["1996_oldsmobile_bravada","1997_oldsmobile_bravada","1998_oldsmobile_bravada","1999_oldsmobile_bravada","2000_oldsmobile_bravada","2001_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":[]}