{"nhtsa_id":610850,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2000-05-16","date":"1999-11-01","document_id":"7486","mfr_campaign":null,"replaces":null,"component":"VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM","mfr_system":null,"summary":"SOME VEHICLES EQUIPPED WITH DUAL ZONE HEATER / AIR CONDITIONER SYSTEM (DATC) MAY EXHIBIT UNEVEN AIR TEMPERATURE OUTPUT; NOT RECEIVING COOL AIR FLOW FROM EITHER SIDE OF THE DATC WHEN BOTH SIDES ARE SET TO COOL; AND A HEATER VALVE THAT IS STUCK. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/610850","components":[{"id":"visibility","name":"Glass, wipers and mirrors","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"LINCOLN","model":"LS","year_from":2000,"year_to":2000,"match":"exact","vehicle_ids":["2000_lincoln_ls"]}],"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":[]}