{"nhtsa_id":10056024,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2014-08-16","date":"2014-06-30","document_id":"TIB-E-087","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"KENWORTH: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. A MAX GOVERNED CC SPEED, ON SOME TRUCKS, WAS PROGRAMMED INCORRECTLY AND LIMITS MAXIMUM DEFAULT SPEED TO 63 MPH. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10056024","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KENWORTH","model":"C500","year_from":2014,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"C550","year_from":2014,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"K300","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_kenworth_k300"]},{"make":"KENWORTH","model":"T170","year_from":2014,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T270","year_from":2014,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T370","year_from":2014,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T440","year_from":2014,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T470","year_from":2014,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T660","year_from":2014,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T680","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_kenworth_t680"]},{"make":"KENWORTH","model":"T700","year_from":2014,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T800","year_from":2014,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T880","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_kenworth_t880"]},{"make":"KENWORTH","model":"W900","year_from":2014,"year_to":2014,"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":[]}