{"nhtsa_id":10017201,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2005-10-28","date":null,"document_id":"3329","mfr_campaign":null,"replaces":null,"component":"VEHICLE SPEED CONTROL:CRUISE CONTROL","mfr_system":null,"summary":"SURGE, CHUGGLE OR BUCK WHILE DRIVING DOWNHILL (APPROXIMATELY 1500 - 3000 FEET ABOVE SEA LEVEL) AT HIGHWAY SPEEDS WITH THE CRUISE CONTROL ON. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10017201","components":[{"id":"speed-control","name":"Throttle and cruise control","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BUICK","model":"RAINIER","year_from":2004,"year_to":2004,"match":"exact","vehicle_ids":["2004_buick_rainier"]},{"make":"CHEVROLET","model":"TRAILBLAZER","year_from":2004,"year_to":2004,"match":"exact","vehicle_ids":["2004_chevrolet_trailblazer"]},{"make":"GMC","model":"ENVOY","year_from":2004,"year_to":2004,"match":"exact","vehicle_ids":["2004_gmc_envoy"]},{"make":"OLDSMOBILE","model":"BRAVADA","year_from":2004,"year_to":2004,"match":"exact","vehicle_ids":["2004_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":[]}