{"nhtsa_id":10129322,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-02-26","date":"2014-05-29","document_id":"ENG REQ - AER140","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR","mfr_system":null,"summary":"Engineering request for investigation - American Honda (AHM) is investigating certain 2010 CR-Vs & Accord L4 with a complaint of the Malfunction Indicator Lamp (MIL) on with the DTC P0420 (Catalyst System Efficiency Below Threshold) stored. To fully understand the cause of this condition, AHM would like to either inspect or collect specific parts from the vehicle prior to you attempting any further repair of any kind.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10129322-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10129322-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10129322","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":2010,"year_to":2010,"match":"exact","vehicle_ids":["2010_honda_accord"]},{"make":"HONDA","model":"CR-V","year_from":2010,"year_to":2010,"match":"exact","vehicle_ids":["2010_honda_cr-v"]}],"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":[]}