{"nhtsa_id":10003479,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2003-10-22","date":"2003-07-08","document_id":"03031","mfr_campaign":null,"replaces":"03031","component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR","mfr_system":null,"summary":"MALFUNCTION INDICATOR LAMP COMES ON WITH DIAGNOSTIC TROUBLE CODE P0420 (CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD). *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10003479","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"catalytic-converter","name":"Catalytic converter","parent":"exhaust-emissions"}],"codes":["P0420"],"topics":[],"vehicles":[{"make":"HONDA","model":"ELEMENT","year_from":2003,"year_to":2003,"match":"exact","vehicle_ids":["2003_honda_element"]}],"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":[]}