{"nhtsa_id":10083820,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-11-02","date":"2013-09-20","document_id":"FSB 221-010","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"DURING LONG HARD PULL CONDITIONS, DIAGNOSTIC TROUBLE CODES (DTC) SPN 100 FMI 1 OR P052400 CAN LOG ON CERTAIN MACK CXU, GU, LEU AND MRU VEHICLES BUILT BETWEEN JANUARY 1, 2010 AND CURRENT PRODUCTION WITH MP7 EPA2010 AND OBD2013 ENGINES.","document":null,"url":"https://open.wenmarpro.com/bulletins/10083820","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P0524"],"topics":[],"vehicles":[{"make":"MACK","model":"CXU","year_from":2011,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"GU","year_from":2011,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"LEU","year_from":2011,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"MRU","year_from":2011,"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":[]}