{"nhtsa_id":10033344,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2010-08-12","date":"2010-03-19","document_id":"NTB-10-045","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE; ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"NISSAN: DTC P0420 (TW CATALYST SYS-BI) STORED IN THE ECM. CONFIRM THIS BULLETIN APPLIES-CHECK THE CURRENT ECM PART NUMBER; COMPARE YOUR CURRENT ECM PART NUMBER TO CHART A. REPLACE THE EXHAUST MANIFOLD CATALYST; REPROGRAM THE ECM. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10033344","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"exhaust-pipe","name":"Exhaust manifold, pipes and muffler","parent":"exhaust-emissions"},{"id":"software","name":"Software","parent":"electrical"}],"codes":["P0420"],"topics":[],"vehicles":[{"make":"NISSAN","model":"FRONTIER","year_from":2005,"year_to":2006,"match":"exact","vehicle_ids":["2005_nissan_frontier","2006_nissan_frontier"]}],"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":[]}