{"nhtsa_id":10089920,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-01-30","date":"2014-09-10","document_id":"TSB140117-090214","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE VERIFICATION AND RESOLUTION OF FAULT CODES 555 AND 556 CAUSED BY DUST AND DEBRIS INGESTION ON CERTAIN ENGINES INSTALLED IN FORD F-650 AND F-750 CHASSIS.","document":null,"url":"https://open.wenmarpro.com/bulletins/10089920","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"ISB6.7","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":[]}