{"nhtsa_id":10009386,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2004-09-27","date":"2004-01-01","document_id":"3040A","mfr_campaign":null,"replaces":null,"component":"VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR","mfr_system":null,"summary":"BLOWER MOTOR MAY STAY ON ALL THE TIME OR HAVE ERRATIC BLOWER MOTOR OPERATION. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10009386","components":[{"id":"visibility","name":"Glass, wipers and mirrors","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"COLORADO","year_from":2004,"year_to":2004,"match":"exact","vehicle_ids":["2004_chevrolet_colorado"]},{"make":"GMC","model":"CANYON","year_from":2004,"year_to":2004,"match":"exact","vehicle_ids":["2004_gmc_canyon"]}],"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":[]}