CSMS # 64259188 - Network Issue Impacting ACE Truck TMM Application U.S. Customs and Border Protection sent this bulletin at 02/27/2025 03:05 PM EST Cargo Systems Messaging Service CSMS # 64259188 - Network Issue Impacting ACE Truck TMM Application CBP is aware of a network issue impacting ACE Truck TMM application. SME's are troubleshooting the issue. Another CSMS will be issued when resolved.