{"nhtsa_id":637421,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-11-26","date":"2002-05-01","document_id":"010502","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:IGNITION:MODULE","mfr_system":null,"summary":"INFORMATION ON VEHICLES EXPERIENCING FAULT CODE P1481 SET AT THE ENGINE MANAGEMENT SYSTEM. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/637421","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"ignition","name":"Ignition","parent":"electrical"}],"codes":["P1481"],"topics":[],"vehicles":[{"make":"LAND ROVER","model":"DISCOVERY II","year_from":2001,"year_to":2001,"match":"base","vehicle_ids":["2001_land-rover_discovery"]}],"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":[]}