{"nhtsa_id":619645,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-06-23","date":"2001-04-06","document_id":"D215","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:IGNITION:MODULE","mfr_system":null,"summary":"ON SOME VEHICLES, A SOFTWARE ERROR WITHIN THE GEMS ECM MAY PREVENT THE MALFUNCTION INDICATOR LAMP TO ILLUMINATE IN THE EVENT OF A PURGE VALVE FAILURE. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/619645","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"ignition","name":"Ignition","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"LAND ROVER","model":"DEFENDER","year_from":null,"year_to":null,"match":"exact","vehicle_ids":[]},{"make":"LAND ROVER","model":"DISCOVERY","year_from":null,"year_to":null,"match":"exact","vehicle_ids":[]},{"make":"LAND ROVER","model":"RANGE ROVER","year_from":null,"year_to":null,"match":"exact","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":[]}