{"nhtsa_id":10051650,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2013-03-27","date":"2013-02-01","document_id":"WB-13-04","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:APPLIANCE:AIR CONDITIONER; ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN","mfr_system":null,"summary":"PREVOST: WHEN AUXILIARY FAN FAILS RUN, AN A/C LOW PRESSURE MESSAGE WILL APPEAR ON DASHBOARD AND A BYPASS PIPING AND VALVE ASSEMBLY MAY BE ADDED TO RESOLVE THE ISSUE. MODEL 2011-2013 H3-45 VIP SHELLS. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10051650","components":[{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null},{"id":"cooling-fan","name":"Cooling fan","parent":"engine"},{"id":"cooling-system","name":"Cooling system","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"PREVOST","model":"H3-45 VIP","year_from":2011,"year_to":2013,"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":[]}