{"nhtsa_id":10076111,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-07-07","date":"2015-10-20","document_id":"E122","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"ENGINE IDLE SHUTDOWN TIMER (EIST) OVERRIDES POWER TAKEOFF MODE (PTO). When operating in PTO mode, vehicle shuts down after five minutes. New engine parameter incompatibility in MY2015B software (P151C) causes engine to use park mode engine idle shutdown timer in stationary PTO mode. Maximum engine run time in PTO mode with truck stationary is 5 minutes.","document":null,"url":"https://open.wenmarpro.com/bulletins/10076111","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P151C"],"topics":[],"vehicles":[{"make":"KENWORTH","model":"KENWORTH","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":[]}