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Home >> GMC >> 2007 >> Acadia SLE, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 632 (Anti-Lock Brake System, Traction Control System & Stability Control System) >> Diagnostic Information and Procedures >> DTC C0035-C0050 >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2008 Saturn Outlook, 2008 GMC Acadia, and 2008 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.

The wheel speed sensor receives ignition voltage from the electronic brake control module (EBCM) and provides a DC square wave signal back to the module. As the wheel spins, the EBCM uses the frequency of the square wave signal to calculate the wheel speed.