{"nhtsa_id":10009990,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2004-11-03","date":"2004-01-01","document_id":"3154","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"ALL GM VEHICLES WITH CLASS 2 COMMUNICATIONS DIAGNOSTIC STRATEGY FOR DTC U1000 OR U1255. *TC","document":null,"url":"https://open.wenmarpro.com/bulletins/10009990","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["U1000","U1255"],"topics":[],"vehicles":[{"make":"UNKNOWN","model":"UNKNOWN","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":[]}