ABS, TRC, and VSC Skid Control ECU (Electronic Control Unit) for a 2008 Lexus SC430. This module, manufactured by Advics (a Toyota subsidiary), is a central computer that manages the Anti-lock Braking System (ABS), Traction Control (TRC), and Vehicle Stability Control (VSC). Part Details Part Number: 89540-24210. Compatibility: Specifically designed for the 2007–2010 Lexus SC430. Function: It continuously analyzes data from wheel speed sensors to optimize traction, prevent skidding, and regulate braking force to each wheel.