{"nhtsa_id":628833,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-03-21","date":"2002-01-01","document_id":"020603001","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"CONCERNS WITH NO START, TURN/HAZARD, INTERIOR LAMPS, DRIVER INFORMATION CENTER (DIC), RADIO, THEFT ALARM, WIPERS, CRUISE, SHIFT INTERLOCK, HORN AND/OR KEY IN SIGNAL INOPERATIVE. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/628833","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"TRAILBLAZER","year_from":2002,"year_to":2002,"match":"exact","vehicle_ids":["2002_chevrolet_trailblazer"]},{"make":"GMC","model":"ENVOY","year_from":2002,"year_to":2002,"match":"exact","vehicle_ids":["2002_gmc_envoy"]},{"make":"OLDSMOBILE","model":"BRAVADA","year_from":2002,"year_to":2002,"match":"exact","vehicle_ids":["2002_oldsmobile_bravada"]}],"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":[]}