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Home >> Hummer >> 2009 >> H3 Alpha >> Repair and Diagnosis >> Brakes >> Traction Control >> Antilock Brake System >> Diagnostic Information and Procedures >> DTC B0827 >> Circuit/System Description

Circuit/System Description

After the traction control switch is pressed and released, the LED on the switch illuminates. The body control module (BCM) illuminates the LED by supplying adequate current to the high side of the LED.