Freightliner LLC has notified its bus and fire/emergency vehicle customers who have vehicles manufactured between March 1998 - August 2000, equipped with air brakes and with Bendix Anti-Lock Braking System (ABS) EC 17-1030R electronic control units (ECU), of a defect in that system. The company's customers and dealers, which include Thomas Built Buses, Freightliner Trucks and Sterling Trucks dealers, have been notified of the problem and the proper inspection procedures for the vehicles included in the recall.