{"nhtsa_id":10105785,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-06-09","date":"2015-09-28","document_id":"LTB00840NAS1","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; ENGINE; ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"\"SITUATION: ON VEHICLES FITTED WITH THE 4.2L SC V8 ENGINE ONLY, THE ENGINE MALFUNCTION INDICATOR LAMP (MIL) MAY BE ILLUMINATED. UPON DIAGNOSIS, THE TECHNICIAN FINDS THAT DIAGNOSTIC TROUBLE CODE P0420 AND/OR P0430 ONLY ARE STORED IN THE ENGINE CONTROL MODULE (ECM). CAUSE: THIS MAY BE CAUSED BY THE ECM DIAGNOSTIC SOFTWARE INCORRECTLY REPORTING AN AGED/LOW EFFICIENCY CATALYTIC CONVERTER.\"","document":null,"url":"https://open.wenmarpro.com/bulletins/10105785","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":["P0420","P0430"],"topics":[],"vehicles":[{"make":"LAND ROVER","model":"RANGE ROVER SPORT","year_from":2009,"year_to":2009,"match":"exact","vehicle_ids":["2009_land-rover_range-rover-sport"]}],"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":[]}