{"nhtsa_id":10007847,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2004-07-13","date":"2004-01-01","document_id":"01170","mfr_campaign":null,"replaces":"01170A","component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"NO COMMUNICATION, MULTIPLE U-DTCS (DIAGNOSTIC TROUBLE CODES), OR IPC (INSTRUMENT PANEL CLUSTER) WARNING INDICATORS ON VEHICLES WITH RPO AN3. 2003-2004 CHEVROLET, GMC AND CADILLAC ALL FULL SIZE TRUCKS AND UTILITIES. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10007847","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"UNKNOWN","model":"UNKNOWN1","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":[]}