{"nhtsa_id":10012960,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2005-04-05","date":"2005-02-01","document_id":"18398","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"A DIAGNOSTIC TROUBLE CODE B2721 (LIFTGATE/DECKLID AJAR OUTPUT SHORT TO GROUND OR OPEN) IN THE POWER LIFTGATE MODULE, WITHOUT ANY ASSOCIATED SYMPTOMS - SERVICE TIP. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10012960","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["B2721"],"topics":[],"vehicles":[{"make":"LINCOLN","model":"NAVIGATOR","year_from":2003,"year_to":2004,"match":"exact","vehicle_ids":["2003_lincoln_navigator","2004_lincoln_navigator"]}],"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":[]}