{"nhtsa_id":10005431,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2004-02-25","date":"2004-01-01","document_id":"01582A","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:APPLIANCE:AIR CONDITIONER","mfr_system":null,"summary":"HVAC MODE SWITCH IS INOPERATIVE OR IS STUCK IN VENT MODE. *MN","document":null,"url":"https://open.wenmarpro.com/bulletins/10005431","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":2001,"year_to":2003,"match":"exact","vehicle_ids":["2001_chevrolet_blazer","2002_chevrolet_blazer","2003_chevrolet_blazer"]},{"make":"GMC","model":"ENVOY","year_from":2001,"year_to":2001,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"JIMMY","year_from":2001,"year_to":2003,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"SONOMA","year_from":2001,"year_to":2003,"match":"exact","vehicle_ids":["2001_gmc_sonoma","2002_gmc_sonoma","2003_gmc_sonoma"]}],"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":[]}