DTC C100A < FL >, C1015 < FR >, C1020 < RL >, C102B < RR >: Wheel Speed Sensor System (Faulty Circuit): Operation
WARNING: This page is about a different car, the 2008 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.
AWC-ECU receives the wheel speed data from ASC-ECU via the CAN communication.