{"nhtsa_id":10004706,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2004-01-02","date":"2004-09-23","document_id":"03063","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR","mfr_system":null,"summary":"MALFUNCTION INDICATOR LAMP COMES ON WITH DIAGNOSTIC TROUBLE CODE (DTC) P0420. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10004706","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":"ACCORD","year_from":2003,"year_to":2003,"match":"exact","vehicle_ids":["2003_honda_accord"]}],"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":[]}