{"nhtsa_id":10083653,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-10-27","date":"2013-11-08","document_id":"FSB 373-019","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"ON SOME MACK MODELS BUILT WITH AN ALLISON TRANSMISSION, BETWEEN MAY 16, 2011 AND AUGUST 9, 2013, MAY EXPERIENCE MULTIPLE OPEN CIRCUITS IN THE 31 WAY TRANSMISSION CONNECTOR. THIS IS DUE TO A SUPPLIER MANUFACTURING ISSUE WITH THE CONNECTOR.","document":null,"url":"https://open.wenmarpro.com/bulletins/10083653","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"CHU","year_from":2012,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"CXU","year_from":2012,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"GU","year_from":2012,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"TD","year_from":2012,"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":[]}