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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 140 (Suspension Control System - Suspension Leveling) >> Diagnostic Information and Procedures >> DTC C0711 >> Circuit/System Verification

Circuit/System Verification

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Ignition ON, observe the scan tool ESC/ALC air pressure sensor voltage. The sensor has a valid range of 0.15-4.85 volts, and varies as the system pumps up when the vehicle is loaded or vents to trim height when unloaded.