{"nhtsa_id":615966,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-02-06","date":"1999-01-01","document_id":"XL3","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:IGNITION:MODULE","mfr_system":null,"summary":"ON CERTAIN RX MODELS, IF THE HEADLIGHT SWTICH IS SET TO THE AUTO POSITION, THE HEADLIGHTS AND TAILLIGHTS MAY NOT AUTOMATICALLY ILLUMINATE IN LOW AMBIENT LIGHT. UNDER THIS CONDITION, ONLY THE DAYTIME RUNNING LIGHTS (USING HIGH BEAM AT REDUCED INTENSITY) ARE ILLUMINATED. THE XL-2 SPECIAL SERVICE CAMPAIGN HANDBOOK INVOLVES REPLACING THE BODY ELECTRONIC CONTROL UNIT (ECU) WITH AN IMPROVED ONE. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/615966","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"ignition","name":"Ignition","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"LEXUS","model":"RX300","year_from":1999,"year_to":1999,"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":[]}