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Home >> Cadillac >> 2013 >> Escalade Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Antilock Brake System - Hybrid) >> Diagnostic Information and Procedures >> DTC C0245, C122E >> Circuit/System Description

Circuit/System Description

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As the wheel spins, the wheel speed sensor produces an AC signal. The electronic brake control module (EBCM) uses the frequency of the AC signal to calculate the wheel speed.