{"nhtsa_id":10143356,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-08-06","date":"2018-07-09","document_id":"Customer Letter","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT","mfr_system":null,"summary":"Customer letter - In some cases, the electronic control module (ECM) misinterprets sensor inputs as a warm-up three-way catalytic converter (TWC) deterioration and turns the malfunction indicator lamp (MIL) on with diagnostic trouble code (DTC) P0420 or DTC P0430 (catalyst system efficiency below threshold) stored.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10143356-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10143356-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10143356","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":["P0420","P0430"],"topics":[],"vehicles":[{"make":"HONDA","model":"ACCORD HYBRID","year_from":2006,"year_to":2007,"match":"base","vehicle_ids":["2006_honda_accord","2007_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":[]}