{"nhtsa_id":620371,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-08-06","date":"2001-05-01","document_id":"ITS1558A","mfr_campaign":null,"replaces":null,"component":"ENGINE; VEHICLE SPEED CONTROL","mfr_system":null,"summary":"INFORMATION ON RE-WIRING THE THROTTLE POSITION SIWTCH ON THE CUMMINS ISC ENGINE. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/620371","components":[{"id":"engine","name":"Engine","parent":null},{"id":"speed-control","name":"Throttle and cruise control","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"NEW FLYER","model":"NEW FLYER","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":[]}