{"nhtsa_id":10102921,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-06-03","date":"2014-11-04","document_id":"Q427 UPS7814-3BN","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:MECHANICAL; ELECTRICAL SYSTEM","mfr_system":null,"summary":"\"SITUATION: A POTENTIAL ISSUE HAS BEEN IDENTIFIED WITH THE DYNAMIC RESPONSE VALVE BLOCK ON CERTAIN 2014-2015 RANGE ROVER SPORT (L494) AND RANGE ROVER (L405) VEHICLES (5.0L S/C V8 ONLY) WITHIN THE LISTED VIN RANGES. UNEXPECTED BODY MOVEMENTS WHEN THE VEHICLE IS STATIONARY MAY BE EXPERIENCED DUE TO THE SYSTEM SELF-TEST PULSE RESULTING IN PRESSURE IN THE ACTUATORS WHICH IS NORMALLY ISOLATE FROM THEM. ACTION: RETAILERS ARE REQUIRED TO HOLD ONLY AFFECTED VEHICLES THAT ARE WITHIN YOUR CONTROL AND REFRAIN FROM RELEASING THE VEHICLES FOR NEW OR USED VEHICLE SALE PENDING COMPLETION OF THE REWORK ACTION DETAILED IN THIS TECHNICAL BULLETIN.\"","document":null,"url":"https://open.wenmarpro.com/bulletins/10102921","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"LAND ROVER","model":"RANGE ROVER","year_from":2014,"year_to":2015,"match":"exact","vehicle_ids":["2014_land-rover_range-rover","2015_land-rover_range-rover"]},{"make":"LAND ROVER","model":"RANGE ROVER SPORT","year_from":2014,"year_to":2015,"match":"exact","vehicle_ids":["2014_land-rover_range-rover-sport","2015_land-rover_range-rover-sport"]}],"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":[]}