{"nhtsa_id":608022,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1999-10-28","date":"1999-09-01","document_id":"090199","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)","mfr_system":null,"summary":"INFORMATION ON TROUBLESHOOTING EXHAUST GAS RECIRCULATION (EGR) DIAGNOSTIC TROUBLE CODES (DTC) P0401 AND P1491. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/608022","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"egr-valve","name":"EGR valve","parent":"exhaust-emissions"}],"codes":["P0401","P1491"],"topics":[],"vehicles":[{"make":"HONDA","model":"ACCORD","year_from":1994,"year_to":1996,"match":"exact","vehicle_ids":["1994_honda_accord","1995_honda_accord","1996_honda_accord"]},{"make":"HONDA","model":"ODYSSEY","year_from":1995,"year_to":1996,"match":"exact","vehicle_ids":["1995_honda_odyssey","1996_honda_odyssey"]}],"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":[]}