{"nhtsa_id":10051980,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2013-04-27","date":"2013-01-30","document_id":"TSB-130017","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:DIESEL","mfr_system":null,"summary":"CUMMINS: THE DIESEL EXHAUST FLUID (DEF) LINE HEATER RELAY IS POWERED BY A FUSE THAT WAS NOT INSTALLED ON SOME TRUCKS (PETERBILT 579, KENWORTH T680) AND PANEL LABEL NOT SPECIFYING IT IS NEEDED FOR TERMINAL. MODELS ISX12 CM2350 X102, ISX15 CM2350 X101. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10051980","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"CUMMINS","year_from":null,"year_to":null,"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":[]}