The OEM ABS Pump / Control Unit, part number 3C0614109A, is a crucial component located near the brake system, responsible for regulating brake pressure to prevent wheel lock during heavy braking. This part interfaces directly with the brake pedal sensor and the electronic stability control module, ensuring optimal vehicle safety and performance. Common issues leading to replacement include warning lights on the dashboard, inconsistent braking performance, or a malfunctioning anti-lock brake system. Compatible with 2006 and 2007 Volkswagen Passat models, this genuine component is essential for restoring reliable braking functionality. An alternative part number is 3C0614095Q, providing additional compatibility options.