{"nhtsa_id":619817,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-07-02","date":"2001-03-23","document_id":"860501NAS","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"SOME VEHICLES MAY EXPERIENCE LOSS OF RADIO VOLUME CONTROL, A BLANK NAVIGATION SYSTEM SCREEN, OR A NAV POWER LED WHICH FAILS TO LIGHT AFTER WORK HAS BEEN PERFORMED ON A VEHICLE THAT REQUIRED DISCONNECTION OF THE NEGATIVE BATTERY CABLE. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/619817","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"LAND ROVER","model":"RANGE ROVER","year_from":null,"year_to":null,"match":"exact","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":[]}