{"nhtsa_id":10054108,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2013-12-21","date":"2007-12-17","document_id":"IK-1300055","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:MANUAL TRANSMISSION","mfr_system":null,"summary":"INTERNATIONAL: DUE TO POOR SHIFTING QUALITY, TOO FAST UPSHIFTING, THERE IS A PROBLEM IN SOFTWARE CALIBRATIONS FOR TRANSMISSIONS ON SOME TRUCKS. ALLISON GEN 4 LCT (1000, 2000). NO YEARS LISTED.","document":null,"url":"https://open.wenmarpro.com/bulletins/10054108","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"manual-transmission","name":"Manual transmission","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"ALLISON","model":"1000 SERIES TRANSMISSION","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"ALLISON","model":"2000 SERIES TRANSMISSION","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"ALLISON","model":"TRANSMISSION","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":[]}