{"nhtsa_id":10005656,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2004-03-10","date":"2003-11-07","document_id":"00703R","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"ENGINE CONTROL MODULE (ECM) CALIBRATION - SHIFTING ENHANCEMENT. REVISED. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10005656","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"TOYOTA","model":"SIENNA","year_from":2004,"year_to":2004,"match":"exact","vehicle_ids":["2004_toyota_sienna"]}],"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":[]}