2S/2M-4S/3M TCS II ECU

The WABCO 4005001030 TCS II ECU/Valve Assembly is engineered for modern heavy-duty trailer applications requiring advanced ABS control. This unit supports multiple configurations including 2S/2M (two wheel speed sensors, two modulators), 4S/2M and 4S/3M (four sensors with dual or triple modulators) as defined in WABCO’s Enhanced Easy-Stop™ system. The integrated design combines the ECU electronics and pneumatic modulator valves in a single housing, reducing installation complexity and optimizing performance. Rated for 12-volt systems, IP66 ingress protection and temperature operation from –40 °C to +65 °C ensure reliable operation under demanding trailer conditions. Ideal for post-March 2001 trailers, this assembly offers direct OEM replacement for enhanced safety and system transparency.