{"nhtsa_id":10057973,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2015-07-20","date":"2015-03-01","document_id":"14815","mfr_campaign":null,"replaces":null,"component":"VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REAR WINDOW","mfr_system":null,"summary":"THIS TSB CONTAINS AN OWNER NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. GENERAL MOTORS 2015 SILVERADO GMC SIERRA EQUIPPED WITH RPO C49 ELECTRIC REAR WINDOW DEFOGGER. DUE TO SURFACE FLAW, HEATED BACK WINDOW GLASS IS STRUCTURALLY WEAKENED. *LJ","document":null,"url":"https://open.wenmarpro.com/bulletins/10057973","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":"SILVERADO","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_gmc_sierra"]}],"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":[]}