{"nhtsa_id":10085127,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-11-29","date":"2012-10-16","document_id":"070842006G","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; EXTERIOR LIGHTING","mfr_system":null,"summary":"THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON AVAILABLE BCM CALIBRATIONS TO RESTORE BULB OUTAGE DETECTION ON VEHICLES PRODUCED BY A SECOND STAGE MANUFACTURER (UPFITTER), TURN SIGNALS FLASH FAST AFTER FACTORY BOX REMOVED","document":null,"url":"https://open.wenmarpro.com/bulletins/10085127","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"lighting","name":"Lighting","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"GMC","model":"GMC","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":[]}