{"nhtsa_id":52831,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1997-09-18","date":"1997-05-01","document_id":"BC2394970501","mfr_campaign":null,"replaces":null,"component":"VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM","mfr_system":null,"summary":"THE AIR OPERATED COOLING FAN MAYU RUN CONTINUOUSLY IF THE ENGINE ECM FAN CONTROL PARAMETERS ARE SET INCORRECTLY. *TW","document":null,"url":"https://open.wenmarpro.com/bulletins/52831","components":[{"id":"visibility","name":"Glass, wipers and mirrors","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"AEROSTAR","year_from":1996,"year_to":1997,"match":"exact","vehicle_ids":["1996_ford_aerostar","1997_ford_aerostar"]},{"make":"FORD","model":"LOUISVILLE","year_from":1996,"year_to":1998,"match":null,"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":[]}