{"nhtsa_id":635593,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-10-25","date":"2002-07-19","document_id":"9112","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)","mfr_system":null,"summary":"CONCERNS WITH FAILURE / DEFECT OF NAVIGATION SYSTEM. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/635593","components":[{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"PORSCHE","model":"911 TURBO","year_from":2001,"year_to":2001,"match":"base","vehicle_ids":["2001_porsche_911"]}],"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":[]}