{"nhtsa_id":10085339,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-12-01","date":"2014-03-18","document_id":"TSB130066-031114","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"THIS TECHNICAL SERVICE BULLETIN DESCRIBES INSULATION BUILDUP ON THE INLET FACE OF DIESEL PARTICULATE FILTERS (DPF) THAT CAN LEAD TO FAULT CODE 3322 BECOMING ACTIVE ON CERTAIN ENGINES. THE STEPS TO RESOLVE THE ISSUE ARE DESCRIBED. THIS IS A REISSUE OF A PREVIOUS COMMUNICATION.","document":null,"url":"https://open.wenmarpro.com/bulletins/10085339","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"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":[]}