{"nhtsa_id":10005477,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2004-03-01","date":"2004-01-01","document_id":"01537","mfr_campaign":null,"replaces":null,"component":"STRUCTURE:BODY","mfr_system":null,"summary":"REGULAR PRODUCTION ACCESSORY INSTALLATION INFORMATION. DEALERSHIPS SHOULD REFRAIN FROM INSTALLING BED EXTENDERS. THE CURRENT BUILD OF CERTAIN VEHICLES PREVENTS THE TAILGATE FROM BEING CLOSED WHEN THE BED EXTENDER BRACKETS ARE PROPERLY INSTALLED. NEW BRACKETS ARE BEING DESIGNED TO REVOLVE THIS ISSUE. SIT BULLETIN 1408806. SERVICE VME. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10005477","components":[{"id":"structure-body","name":"Body and frame","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":[]}