Does the ecm control the abs system?

Yes, the Engine Control Module (ECM) can influence the Anti-lock Braking System (ABS), but it does not directly control it. The ABS system is primarily managed by its own dedicated control module, which receives inputs from wheel speed sensors and other components. However, the ECM can interact with the ABS during certain conditions, such as when integrating traction control systems or stability control functions, to enhance overall vehicle safety and performance.