{"nhtsa_id":637725,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-12-04","date":"2002-05-01","document_id":"15867","mfr_campaign":null,"replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"SOME VEHICLES MAY EXHIBIT A MALFUNCTION INDICATOR LAMP ILLUMINATED AND A DIAGNOSTIC TROUBLE CODE P0340 (CAMSHAFT SENSOR A CIRCUIT) IN MEMORY. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/637725","components":[],"codes":["P0340"],"topics":[],"vehicles":[{"make":"FORD","model":"FORD","year_from":null,"year_to":null,"match":null,"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":[]}