{"nhtsa_id":10000250,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2003-02-20","date":"2002-10-18","document_id":"00502","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"ENGINE CONTROL MODULE (ECM) CALIBRATION UPDATE. HARSH 2-3 SHIFT CONDITION DURING ACCELERATION WITH LIGHT THROTTLE INPUT. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10000250","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"LEXUS","model":"GS300","year_from":2001,"year_to":2001,"match":null,"vehicle_ids":[]},{"make":"LEXUS","model":"IS 300","year_from":2001,"year_to":2001,"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":[]}