{"nhtsa_id":10034630,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2010-12-13","date":"2010-07-01","document_id":"SB-21431","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION","mfr_system":null,"summary":"FORD/MERCURY/LINCOLN: SOME VEHICLES EQUIPPED WITH REVERSE SENSING SYSTEM (PARKING AID) INTERMITTENT TONE DURING NORMAL OPERATIONS. MAY EXHIBIT CONTINUOUS OR INTERMITTENT TONES WHEN NO OBSTACLES OR FAULT CODES ARE PRESENT WHEN SHIFTING IN REVERSE. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10034630","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"FUSION","year_from":2010,"year_to":2010,"match":"exact","vehicle_ids":["2010_ford_fusion"]},{"make":"LINCOLN","model":"MKZ","year_from":2010,"year_to":2010,"match":"exact","vehicle_ids":["2010_lincoln_mkz"]},{"make":"MERCURY","model":"MILAN","year_from":2010,"year_to":2010,"match":"exact","vehicle_ids":["2010_mercury_milan"]}],"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":[]}