{"nhtsa_id":608439,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1999-12-01","date":"1999-08-01","document_id":"996701","mfr_campaign":null,"replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"VEHICLES WITH 5.4L ENGINES AND 9VZA-AH OR 9VZA-BL CALIBRATIONS MAY SET A MIL LIGHT WITH A DIAGNOSTIC TROUBLE CODE OF P1406 (DPFE DOWNSTREAM HOSE OFF OR PLUGGED). *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/608439","components":[],"codes":["P1406"],"topics":[],"vehicles":[{"make":"FORD","model":"E SERIES","year_from":1999,"year_to":1999,"match":null,"vehicle_ids":[]},{"make":"FORD","model":"ECONOLINE","year_from":1999,"year_to":1999,"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":[]}