{"nhtsa_id":10058344,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2015-09-03","date":"2014-09-23","document_id":"UIB-117-1","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"UPFITTER INTEGRATION REGARDING ENGINE BLOCK HEATER NOT TIED TO CIRCUIT THAT ACTIVATE UNLESS TEMPERATURE IS -18 DEGREES AND -29 DEGREES C AND NOT CONTINUOUSLY PLUGGED. *CN","document":null,"url":"https://open.wenmarpro.com/bulletins/10058344","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"AEV","model":"TYPE 1 F-SERIES AMBULANCE","year_from":2014,"year_to":2014,"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":[]}