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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 498 (Suspension Control System - Suspension Damping) >> Diagnostic Information and Procedures >> DTC C0615, C0620, C0625, or C0630 >> Circuit/System Description

Circuit/System Description

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The electronic suspension control (ESC) module supplies a 5 volt reference signal to each suspension position sensor. The suspension position sensors supply an voltage signal of 0.35-4.75 volts to the ESC module which represents the position between the body and the wheel. The sensors are also grounded through the ESC module.