{"nhtsa_id":10058993,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-01-09","date":"2015-05-01","document_id":"FA-2014FA12","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:SOFTWARE; ENGINE","mfr_system":null,"summary":"ALLISON TRANSMISSION: ACCELERATE TORSIONAL FATIGUE DAMAGE TO DRIVE UNIT INPUT SHAFT CAUSED BY ENGINE RPM DWELLING AT OR NEAR 280 TO 560 RPM CAN BE REDUCED BY NEW DEVELOPED SOFTWARE FOR DRIVE UNIT EXPOSURE TO EXCESSIVE ENGINE. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10058993","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"ALLISON","model":"TRANSMISSION","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CUMMINS","model":"CUMMINS","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":[]}