{"nhtsa_id":633793,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-09-24","date":"2002-06-28","document_id":"TC00202","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"INFORMATION REGARDING A REVISED VALVE BODY ASSEMBLY DEVELOPED TO IMPROVE HARSH 2-3 SHIFT DURING WIDE OPEN THROTTLE (WOT) ACCELERATION AT ELEVATIONS ABOVE 3000 FEET. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/633793","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"LEXUS","model":"ES300","year_from":2002,"year_to":2002,"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":[]}