{"nhtsa_id":10016713,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2005-09-28","date":null,"document_id":"3526","mfr_campaign":null,"replaces":null,"component":"VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM","mfr_system":null,"summary":"EXCESSIVE WINDOW FOGGING OR UNWANTED HVAC RECIRCULATION IN THE DEFROST MODE. 2003 - 2005 CADILLAC, CHEVROLET AND GMC FULL SIZE TRUCKS AND UTILITIES. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10016713","components":[{"id":"visibility","name":"Glass, wipers and mirrors","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"UNKNOWN","model":"UNKNOWN","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]}],"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":[]}