{"nhtsa_id":10083789,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-11-01","date":"2016-04-14","document_id":"PIP5198B","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS FOR DIAGNOSING THE CONCERN. THE VEHICLE MAY HAVE WARNING LAMPS AND/OR MIL ILLUMINATED WITH A DIESEL EXHAUST FLUID (DEF) MESSAGE DISPLAYED ON THE CLUSTER. WIRING HARNESS REPAIR INSTRUCTIONS ARE PROVIDED.","document":null,"url":"https://open.wenmarpro.com/bulletins/10083789","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2015,"year_to":2015,"match":"base","vehicle_ids":["2015_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 1500","year_from":2015,"year_to":2015,"match":"base","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":[]}