{"nhtsa_id":637072,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-11-19","date":"2002-03-01","document_id":"80","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 DIAGNOSING EGR DIAGNOSTIC TROUBLE CODE P0401 ON 1999 - 2002 MODELS. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/637072","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"],"topics":[],"vehicles":[{"make":"MITSUBISHI","model":"ECLIPSE","year_from":null,"year_to":null,"match":"exact","vehicle_ids":[]},{"make":"MITSUBISHI","model":"ECLIPSE SPYDER","year_from":null,"year_to":null,"match":"base","vehicle_ids":[]},{"make":"MITSUBISHI","model":"GALANT","year_from":null,"year_to":null,"match":"exact","vehicle_ids":[]}],"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":[]}