{"nhtsa_id":10086924,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-12-21","date":"2015-06-04","document_id":"TSB140120-060415","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT","mfr_system":null,"summary":"THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE VERIFICATION AND RESOLUTION OF FAULT CODES 1921, 1922, 1981, 2754, 3322, 3375, 3376 AND 5383 CAUSED BY INSULATION BUILDUP ON THE AFTERTREATMENT DIESEL PARTICULATE FILTER (DPF) INLET FACE.","document":null,"url":"https://open.wenmarpro.com/bulletins/10086924","components":[{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"ISX12","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CUMMINS","model":"ISX15","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":[]}