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Home >> Chevrolet >> 2012 >> Chevy Express H1500, Van Cargo >> Repair and Diagnosis >> Brakes >> Traction Control >> Antilock Brake System >> Diagnostic Information and Procedures >> Traction Control/Stability Control Indicator Malfunction >> Circuit/System Description

Circuit/System Description

The driver may disable the Traction Control System by pressing the traction control switch. The body control module (BCM) supplies a 12 volt signal on the traction control signal circuit. When the traction control switch is pressed, this voltage signal is grounded.